18668748

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{222247}}^1$

素因数の和:222261

約数の個数: 24

約数和(自身を含む): 49783552

約数和(自身を除く): 31114804

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 222247, 444494, 666741, 888988, 1333482, 1555729, 2666964, 3111458, 4667187, 6222916, 9334374, 18668748]

約数ペア:

[(1, 18668748), (2, 9334374), (3, 6222916), (4, 4667187), (6, 3111458), (7, 2666964), (12, 1555729), (14, 1333482), (21, 888988), (28, 666741), (42, 444494), (84, 222247)]