18027660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{42923}}^1$

素因数の和:42942

約数の個数: 48

約数和(自身を含む): 57689856

約数和(自身を除く): 39662196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 42923, 85846, 128769, 171692, 214615, 257538, 300461, 429230, 515076, 600922, 643845, 858460, 901383, 1201844, 1287690, 1502305, 1802766, 2575380, 3004610, 3605532, 4506915, 6009220, 9013830, 18027660]

約数ペア:

[(1, 18027660), (2, 9013830), (3, 6009220), (4, 4506915), (5, 3605532), (6, 3004610), (7, 2575380), (10, 1802766), (12, 1502305), (14, 1287690), (15, 1201844), (20, 901383), (21, 858460), (28, 643845), (30, 600922), (35, 515076), (42, 429230), (60, 300461), (70, 257538), (84, 214615), (105, 171692), (140, 128769), (210, 85846), (420, 42923)]