18188320

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 96

約数和(自身を含む): 46932480

約数和(自身を除く): 28744160

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 76, 80, 95, 124, 152, 155, 160, 190, 193, 248, 304, 310, 380, 386, 496, 589, 608, 620, 760, 772, 965, 992, 1178, 1240, 1520, 1544, 1930, 2356, 2480, 2945, 3040, 3088, 3667, 3860, 4712, 4960, 5890, 5983, 6176, 7334, 7720, 9424, 11780, 11966, 14668, 15440, 18335, 18848, 23560, 23932, 29336, 29915, 30880, 36670, 47120, 47864, 58672, 59830, 73340, 94240, 95728, 113677, 117344, 119660, 146680, 191456, 227354, 239320, 293360, 454708, 478640, 568385, 586720, 909416, 957280, 1136770, 1818832, 2273540, 3637664, 4547080, 9094160, 18188320]

約数ペア:

[(1, 18188320), (2, 9094160), (4, 4547080), (5, 3637664), (8, 2273540), (10, 1818832), (16, 1136770), (19, 957280), (20, 909416), (31, 586720), (32, 568385), (38, 478640), (40, 454708), (62, 293360), (76, 239320), (80, 227354), (95, 191456), (124, 146680), (152, 119660), (155, 117344), (160, 113677), (190, 95728), (193, 94240), (248, 73340), (304, 59830), (310, 58672), (380, 47864), (386, 47120), (496, 36670), (589, 30880), (608, 29915), (620, 29336), (760, 23932), (772, 23560), (965, 18848), (992, 18335), (1178, 15440), (1240, 14668), (1520, 11966), (1544, 11780), (1930, 9424), (2356, 7720), (2480, 7334), (2945, 6176), (3040, 5983), (3088, 5890), (3667, 4960), (3860, 4712)]