21998799488

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{9045559}}^1$

素因数の和:9045592

約数の個数: 32

約数和(自身を含む): 46132356000

約数和(自身を除く): 24133556512

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 304, 608, 1216, 2432, 9045559, 18091118, 36182236, 72364472, 144728944, 171865621, 289457888, 343731242, 578915776, 687462484, 1157831552, 1374924968, 2749849936, 5499699872, 10999399744, 21998799488]

約数ペア:

[(1, 21998799488), (2, 10999399744), (4, 5499699872), (8, 2749849936), (16, 1374924968), (19, 1157831552), (32, 687462484), (38, 578915776), (64, 343731242), (76, 289457888), (128, 171865621), (152, 144728944), (304, 72364472), (608, 36182236), (1216, 18091118), (2432, 9045559)]