19940135788

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{4001}}^1\times {\mathrm{73291}}^1$

素因数の和:77313

約数の個数: 24

約数和(自身を含む): 36957637584

約数和(自身を除く): 17017501796

約数列:

[1, 2, 4, 17, 34, 68, 4001, 8002, 16004, 68017, 73291, 136034, 146582, 272068, 293164, 1245947, 2491894, 4983788, 293237291, 586474582, 1172949164, 4985033947, 9970067894, 19940135788]

約数ペア:

[(1, 19940135788), (2, 9970067894), (4, 4985033947), (17, 1172949164), (34, 586474582), (68, 293237291), (4001, 4983788), (8002, 2491894), (16004, 1245947), (68017, 293164), (73291, 272068), (136034, 146582)]