18019644

素因数分解:

$2^2\times 3^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{239}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 43330560

約数和(自身を除く): 25310916

約数列:

[1, 2, 3, 4, 6, 12, 61, 103, 122, 183, 206, 239, 244, 309, 366, 412, 478, 618, 717, 732, 956, 1236, 1434, 2868, 6283, 12566, 14579, 18849, 24617, 25132, 29158, 37698, 43737, 49234, 58316, 73851, 75396, 87474, 98468, 147702, 174948, 295404, 1501637, 3003274, 4504911, 6006548, 9009822, 18019644]

約数ペア:

[(1, 18019644), (2, 9009822), (3, 6006548), (4, 4504911), (6, 3003274), (12, 1501637), (61, 295404), (103, 174948), (122, 147702), (183, 98468), (206, 87474), (239, 75396), (244, 73851), (309, 58316), (366, 49234), (412, 43737), (478, 37698), (618, 29158), (717, 25132), (732, 24617), (956, 18849), (1236, 14579), (1434, 12566), (2868, 6283)]