21988045336

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{1280161}}^1$

素因数の和:1280299

約数の個数: 32

約数和(自身を含む): 43781540400

約数和(自身を除く): 21793495064

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 152, 226, 452, 904, 2147, 4294, 8588, 17176, 1280161, 2560322, 5120644, 10241288, 24323059, 48646118, 97292236, 144658193, 194584472, 289316386, 578632772, 1157265544, 2748505667, 5497011334, 10994022668, 21988045336]

約数ペア:

[(1, 21988045336), (2, 10994022668), (4, 5497011334), (8, 2748505667), (19, 1157265544), (38, 578632772), (76, 289316386), (113, 194584472), (152, 144658193), (226, 97292236), (452, 48646118), (904, 24323059), (2147, 10241288), (4294, 5120644), (8588, 2560322), (17176, 1280161)]