18380460

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{409}}^1$

素因数の和:535

約数の個数: 96

約数和(自身を含む): 59512320

約数和(自身を除く): 41131860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 107, 140, 210, 214, 321, 409, 420, 428, 535, 642, 749, 818, 1070, 1227, 1284, 1498, 1605, 1636, 2045, 2140, 2247, 2454, 2863, 2996, 3210, 3745, 4090, 4494, 4908, 5726, 6135, 6420, 7490, 8180, 8589, 8988, 11235, 11452, 12270, 14315, 14980, 17178, 22470, 24540, 28630, 34356, 42945, 43763, 44940, 57260, 85890, 87526, 131289, 171780, 175052, 218815, 262578, 306341, 437630, 525156, 612682, 656445, 875260, 919023, 1225364, 1312890, 1531705, 1838046, 2625780, 3063410, 3676092, 4595115, 6126820, 9190230, 18380460]

約数ペア:

[(1, 18380460), (2, 9190230), (3, 6126820), (4, 4595115), (5, 3676092), (6, 3063410), (7, 2625780), (10, 1838046), (12, 1531705), (14, 1312890), (15, 1225364), (20, 919023), (21, 875260), (28, 656445), (30, 612682), (35, 525156), (42, 437630), (60, 306341), (70, 262578), (84, 218815), (105, 175052), (107, 171780), (140, 131289), (210, 87526), (214, 85890), (321, 57260), (409, 44940), (420, 43763), (428, 42945), (535, 34356), (642, 28630), (749, 24540), (818, 22470), (1070, 17178), (1227, 14980), (1284, 14315), (1498, 12270), (1605, 11452), (1636, 11235), (2045, 8988), (2140, 8589), (2247, 8180), (2454, 7490), (2863, 6420), (2996, 6135), (3210, 5726), (3745, 4908), (4090, 4494)]