18404760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1$

素因数の和:289

約数の個数: 128

約数和(自身を含む): 61378560

約数和(自身を除く): 42973800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 73, 88, 110, 120, 132, 146, 165, 191, 219, 220, 264, 292, 330, 365, 382, 438, 440, 573, 584, 660, 730, 764, 803, 876, 955, 1095, 1146, 1320, 1460, 1528, 1606, 1752, 1910, 2101, 2190, 2292, 2409, 2865, 2920, 3212, 3820, 4015, 4202, 4380, 4584, 4818, 5730, 6303, 6424, 7640, 8030, 8404, 8760, 9636, 10505, 11460, 12045, 12606, 13943, 16060, 16808, 19272, 21010, 22920, 24090, 25212, 27886, 31515, 32120, 41829, 42020, 48180, 50424, 55772, 63030, 69715, 83658, 84040, 96360, 111544, 126060, 139430, 153373, 167316, 209145, 252120, 278860, 306746, 334632, 418290, 460119, 557720, 613492, 766865, 836580, 920238, 1226984, 1533730, 1673160, 1840476, 2300595, 3067460, 3680952, 4601190, 6134920, 9202380, 18404760]

約数ペア:

[(1, 18404760), (2, 9202380), (3, 6134920), (4, 4601190), (5, 3680952), (6, 3067460), (8, 2300595), (10, 1840476), (11, 1673160), (12, 1533730), (15, 1226984), (20, 920238), (22, 836580), (24, 766865), (30, 613492), (33, 557720), (40, 460119), (44, 418290), (55, 334632), (60, 306746), (66, 278860), (73, 252120), (88, 209145), (110, 167316), (120, 153373), (132, 139430), (146, 126060), (165, 111544), (191, 96360), (219, 84040), (220, 83658), (264, 69715), (292, 63030), (330, 55772), (365, 50424), (382, 48180), (438, 42020), (440, 41829), (573, 32120), (584, 31515), (660, 27886), (730, 25212), (764, 24090), (803, 22920), (876, 21010), (955, 19272), (1095, 16808), (1146, 16060), (1320, 13943), (1460, 12606), (1528, 12045), (1606, 11460), (1752, 10505), (1910, 9636), (2101, 8760), (2190, 8404), (2292, 8030), (2409, 7640), (2865, 6424), (2920, 6303), (3212, 5730), (3820, 4818), (4015, 4584), (4202, 4380)]