18013380

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1$

素因数の和:594

約数の個数: 144

約数和(自身を含む): 64120896

約数和(自身を除く): 46107516

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 557, 588, 660, 735, 770, 924, 980, 1078, 1114, 1155, 1470, 1540, 1617, 1671, 2156, 2228, 2310, 2695, 2785, 2940, 3234, 3342, 3899, 4620, 5390, 5570, 6127, 6468, 6684, 7798, 8085, 8355, 10780, 11140, 11697, 12254, 15596, 16170, 16710, 18381, 19495, 23394, 24508, 27293, 30635, 32340, 33420, 36762, 38990, 42889, 46788, 54586, 58485, 61270, 73524, 77980, 81879, 85778, 91905, 109172, 116970, 122540, 128667, 136465, 163758, 171556, 183810, 214445, 233940, 257334, 272930, 300223, 327516, 367620, 409395, 428890, 514668, 545860, 600446, 643335, 818790, 857780, 900669, 1200892, 1286670, 1501115, 1637580, 1801338, 2573340, 3002230, 3602676, 4503345, 6004460, 9006690, 18013380]

約数ペア:

[(1, 18013380), (2, 9006690), (3, 6004460), (4, 4503345), (5, 3602676), (6, 3002230), (7, 2573340), (10, 1801338), (11, 1637580), (12, 1501115), (14, 1286670), (15, 1200892), (20, 900669), (21, 857780), (22, 818790), (28, 643335), (30, 600446), (33, 545860), (35, 514668), (42, 428890), (44, 409395), (49, 367620), (55, 327516), (60, 300223), (66, 272930), (70, 257334), (77, 233940), (84, 214445), (98, 183810), (105, 171556), (110, 163758), (132, 136465), (140, 128667), (147, 122540), (154, 116970), (165, 109172), (196, 91905), (210, 85778), (220, 81879), (231, 77980), (245, 73524), (294, 61270), (308, 58485), (330, 54586), (385, 46788), (420, 42889), (462, 38990), (490, 36762), (539, 33420), (557, 32340), (588, 30635), (660, 27293), (735, 24508), (770, 23394), (924, 19495), (980, 18381), (1078, 16710), (1114, 16170), (1155, 15596), (1470, 12254), (1540, 11697), (1617, 11140), (1671, 10780), (2156, 8355), (2228, 8085), (2310, 7798), (2695, 6684), (2785, 6468), (2940, 6127), (3234, 5570), (3342, 5390), (3899, 4620)]