18047490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 45308160

約数和(自身を除く): 27260670

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 37, 71, 74, 111, 142, 185, 213, 222, 229, 355, 370, 426, 458, 555, 687, 710, 1065, 1110, 1145, 1374, 2130, 2290, 2627, 3435, 5254, 6870, 7881, 8473, 13135, 15762, 16259, 16946, 25419, 26270, 32518, 39405, 42365, 48777, 50838, 78810, 81295, 84730, 97554, 127095, 162590, 243885, 254190, 487770, 601583, 1203166, 1804749, 3007915, 3609498, 6015830, 9023745, 18047490]

約数ペア:

[(1, 18047490), (2, 9023745), (3, 6015830), (5, 3609498), (6, 3007915), (10, 1804749), (15, 1203166), (30, 601583), (37, 487770), (71, 254190), (74, 243885), (111, 162590), (142, 127095), (185, 97554), (213, 84730), (222, 81295), (229, 78810), (355, 50838), (370, 48777), (426, 42365), (458, 39405), (555, 32518), (687, 26270), (710, 25419), (1065, 16946), (1110, 16259), (1145, 15762), (1374, 13135), (2130, 8473), (2290, 7881), (2627, 6870), (3435, 5254)]