19930560

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1597}}^1$

素因数の和:1630

約数の個数: 112

約数和(自身を含む): 68189856

約数和(自身を除く): 48259296

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 390, 416, 480, 520, 624, 780, 832, 960, 1040, 1248, 1560, 1597, 2080, 2496, 3120, 3194, 4160, 4791, 6240, 6388, 7985, 9582, 12480, 12776, 15970, 19164, 20761, 23955, 25552, 31940, 38328, 41522, 47910, 51104, 62283, 63880, 76656, 83044, 95820, 102208, 103805, 124566, 127760, 153312, 166088, 191640, 207610, 249132, 255520, 306624, 311415, 332176, 383280, 415220, 498264, 511040, 622830, 664352, 766560, 830440, 996528, 1245660, 1328704, 1533120, 1660880, 1993056, 2491320, 3321760, 3986112, 4982640, 6643520, 9965280, 19930560]

約数ペア:

[(1, 19930560), (2, 9965280), (3, 6643520), (4, 4982640), (5, 3986112), (6, 3321760), (8, 2491320), (10, 1993056), (12, 1660880), (13, 1533120), (15, 1328704), (16, 1245660), (20, 996528), (24, 830440), (26, 766560), (30, 664352), (32, 622830), (39, 511040), (40, 498264), (48, 415220), (52, 383280), (60, 332176), (64, 311415), (65, 306624), (78, 255520), (80, 249132), (96, 207610), (104, 191640), (120, 166088), (130, 153312), (156, 127760), (160, 124566), (192, 103805), (195, 102208), (208, 95820), (240, 83044), (260, 76656), (312, 63880), (320, 62283), (390, 51104), (416, 47910), (480, 41522), (520, 38328), (624, 31940), (780, 25552), (832, 23955), (960, 20761), (1040, 19164), (1248, 15970), (1560, 12776), (1597, 12480), (2080, 9582), (2496, 7985), (3120, 6388), (3194, 6240), (4160, 4791)]