19487996

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23311}}^1$

素因数の和:23345

約数の個数: 24

約数和(自身を含む): 39164160

約数和(自身を除く): 19676164

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 23311, 46622, 93244, 256421, 442909, 512842, 885818, 1025684, 1771636, 4871999, 9743998, 19487996]

約数ペア:

[(1, 19487996), (2, 9743998), (4, 4871999), (11, 1771636), (19, 1025684), (22, 885818), (38, 512842), (44, 442909), (76, 256421), (209, 93244), (418, 46622), (836, 23311)]