19949280

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1$

素因数の和:193

約数の個数: 192

約数和(自身を含む): 71124480

約数和(自身を除く): 51175200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 23, 24, 26, 30, 32, 39, 40, 46, 48, 52, 60, 65, 69, 78, 80, 92, 96, 104, 115, 120, 130, 138, 139, 156, 160, 184, 195, 208, 230, 240, 260, 276, 278, 299, 312, 345, 368, 390, 416, 417, 460, 480, 520, 552, 556, 598, 624, 690, 695, 736, 780, 834, 897, 920, 1040, 1104, 1112, 1196, 1248, 1380, 1390, 1495, 1560, 1668, 1794, 1807, 1840, 2080, 2085, 2208, 2224, 2392, 2760, 2780, 2990, 3120, 3197, 3336, 3588, 3614, 3680, 4170, 4448, 4485, 4784, 5421, 5520, 5560, 5980, 6240, 6394, 6672, 7176, 7228, 8340, 8970, 9035, 9568, 9591, 10842, 11040, 11120, 11960, 12788, 13344, 14352, 14456, 15985, 16680, 17940, 18070, 19182, 21684, 22240, 23920, 25576, 27105, 28704, 28912, 31970, 33360, 35880, 36140, 38364, 41561, 43368, 47840, 47955, 51152, 54210, 57824, 63940, 66720, 71760, 72280, 76728, 83122, 86736, 95910, 102304, 108420, 124683, 127880, 143520, 144560, 153456, 166244, 173472, 191820, 207805, 216840, 249366, 255760, 289120, 306912, 332488, 383640, 415610, 433680, 498732, 511520, 623415, 664976, 767280, 831220, 867360, 997464, 1246830, 1329952, 1534560, 1662440, 1994928, 2493660, 3324880, 3989856, 4987320, 6649760, 9974640, 19949280]

約数ペア:

[(1, 19949280), (2, 9974640), (3, 6649760), (4, 4987320), (5, 3989856), (6, 3324880), (8, 2493660), (10, 1994928), (12, 1662440), (13, 1534560), (15, 1329952), (16, 1246830), (20, 997464), (23, 867360), (24, 831220), (26, 767280), (30, 664976), (32, 623415), (39, 511520), (40, 498732), (46, 433680), (48, 415610), (52, 383640), (60, 332488), (65, 306912), (69, 289120), (78, 255760), (80, 249366), (92, 216840), (96, 207805), (104, 191820), (115, 173472), (120, 166244), (130, 153456), (138, 144560), (139, 143520), (156, 127880), (160, 124683), (184, 108420), (195, 102304), (208, 95910), (230, 86736), (240, 83122), (260, 76728), (276, 72280), (278, 71760), (299, 66720), (312, 63940), (345, 57824), (368, 54210), (390, 51152), (416, 47955), (417, 47840), (460, 43368), (480, 41561), (520, 38364), (552, 36140), (556, 35880), (598, 33360), (624, 31970), (690, 28912), (695, 28704), (736, 27105), (780, 25576), (834, 23920), (897, 22240), (920, 21684), (1040, 19182), (1104, 18070), (1112, 17940), (1196, 16680), (1248, 15985), (1380, 14456), (1390, 14352), (1495, 13344), (1560, 12788), (1668, 11960), (1794, 11120), (1807, 11040), (1840, 10842), (2080, 9591), (2085, 9568), (2208, 9035), (2224, 8970), (2392, 8340), (2760, 7228), (2780, 7176), (2990, 6672), (3120, 6394), (3197, 6240), (3336, 5980), (3588, 5560), (3614, 5520), (3680, 5421), (4170, 4784), (4448, 4485)]