18118160

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{6121}}^1$

素因数の和:6171

約数の個数: 40

約数和(自身を含む): 43270296

約数和(自身を除く): 25152136

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 6121, 12242, 24484, 30605, 48968, 61210, 97936, 122420, 226477, 244840, 452954, 489680, 905908, 1132385, 1811816, 2264770, 3623632, 4529540, 9059080, 18118160]

約数ペア:

[(1, 18118160), (2, 9059080), (4, 4529540), (5, 3623632), (8, 2264770), (10, 1811816), (16, 1132385), (20, 905908), (37, 489680), (40, 452954), (74, 244840), (80, 226477), (148, 122420), (185, 97936), (296, 61210), (370, 48968), (592, 30605), (740, 24484), (1480, 12242), (2960, 6121)]