20181330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{367}}^1$

素因数の和:440

約数の個数: 96

約数和(自身を含む): 57867264

約数和(自身を除く): 37685934

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 47, 65, 78, 90, 94, 117, 130, 141, 195, 234, 235, 282, 367, 390, 423, 470, 585, 611, 705, 734, 846, 1101, 1170, 1222, 1410, 1833, 1835, 2115, 2202, 3055, 3303, 3666, 3670, 4230, 4771, 5499, 5505, 6110, 6606, 9165, 9542, 10998, 11010, 14313, 16515, 17249, 18330, 23855, 27495, 28626, 33030, 34498, 42939, 47710, 51747, 54990, 71565, 85878, 86245, 103494, 143130, 155241, 172490, 214695, 224237, 258735, 310482, 429390, 448474, 517470, 672711, 776205, 1121185, 1345422, 1552410, 2018133, 2242370, 3363555, 4036266, 6727110, 10090665, 20181330]

約数ペア:

[(1, 20181330), (2, 10090665), (3, 6727110), (5, 4036266), (6, 3363555), (9, 2242370), (10, 2018133), (13, 1552410), (15, 1345422), (18, 1121185), (26, 776205), (30, 672711), (39, 517470), (45, 448474), (47, 429390), (65, 310482), (78, 258735), (90, 224237), (94, 214695), (117, 172490), (130, 155241), (141, 143130), (195, 103494), (234, 86245), (235, 85878), (282, 71565), (367, 54990), (390, 51747), (423, 47710), (470, 42939), (585, 34498), (611, 33030), (705, 28626), (734, 27495), (846, 23855), (1101, 18330), (1170, 17249), (1222, 16515), (1410, 14313), (1833, 11010), (1835, 10998), (2115, 9542), (2202, 9165), (3055, 6606), (3303, 6110), (3666, 5505), (3670, 5499), (4230, 4771)]