19749104

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{4271}}^1$

素因数の和:4313

約数の個数: 30

約数和(自身を含む): 40656624

約数和(自身を除く): 20907520

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289, 578, 1156, 2312, 4271, 4624, 8542, 17084, 34168, 68336, 72607, 145214, 290428, 580856, 1161712, 1234319, 2468638, 4937276, 9874552, 19749104]

約数ペア:

[(1, 19749104), (2, 9874552), (4, 4937276), (8, 2468638), (16, 1234319), (17, 1161712), (34, 580856), (68, 290428), (136, 145214), (272, 72607), (289, 68336), (578, 34168), (1156, 17084), (2312, 8542), (4271, 4624)]