18338760

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{421}}^1$

素因数の和:460

約数の個数: 144

約数和(自身を含む): 65667420

約数和(自身を除く): 47328660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 121, 132, 165, 180, 198, 220, 242, 264, 330, 360, 363, 396, 421, 440, 484, 495, 605, 660, 726, 792, 842, 968, 990, 1089, 1210, 1263, 1320, 1452, 1684, 1815, 1980, 2105, 2178, 2420, 2526, 2904, 3368, 3630, 3789, 3960, 4210, 4356, 4631, 4840, 5052, 5445, 6315, 7260, 7578, 8420, 8712, 9262, 10104, 10890, 12630, 13893, 14520, 15156, 16840, 18524, 18945, 21780, 23155, 25260, 27786, 30312, 37048, 37890, 41679, 43560, 46310, 50520, 50941, 55572, 69465, 75780, 83358, 92620, 101882, 111144, 138930, 151560, 152823, 166716, 185240, 203764, 208395, 254705, 277860, 305646, 333432, 407528, 416790, 458469, 509410, 555720, 611292, 764115, 833580, 916938, 1018820, 1222584, 1528230, 1667160, 1833876, 2037640, 2292345, 3056460, 3667752, 4584690, 6112920, 9169380, 18338760]

約数ペア:

[(1, 18338760), (2, 9169380), (3, 6112920), (4, 4584690), (5, 3667752), (6, 3056460), (8, 2292345), (9, 2037640), (10, 1833876), (11, 1667160), (12, 1528230), (15, 1222584), (18, 1018820), (20, 916938), (22, 833580), (24, 764115), (30, 611292), (33, 555720), (36, 509410), (40, 458469), (44, 416790), (45, 407528), (55, 333432), (60, 305646), (66, 277860), (72, 254705), (88, 208395), (90, 203764), (99, 185240), (110, 166716), (120, 152823), (121, 151560), (132, 138930), (165, 111144), (180, 101882), (198, 92620), (220, 83358), (242, 75780), (264, 69465), (330, 55572), (360, 50941), (363, 50520), (396, 46310), (421, 43560), (440, 41679), (484, 37890), (495, 37048), (605, 30312), (660, 27786), (726, 25260), (792, 23155), (842, 21780), (968, 18945), (990, 18524), (1089, 16840), (1210, 15156), (1263, 14520), (1320, 13893), (1452, 12630), (1684, 10890), (1815, 10104), (1980, 9262), (2105, 8712), (2178, 8420), (2420, 7578), (2526, 7260), (2904, 6315), (3368, 5445), (3630, 5052), (3789, 4840), (3960, 4631), (4210, 4356)]