19872796

素因数分解:

$2^2\times {\mathrm{17}}^2\times {\mathrm{17191}}^1$

素因数の和:17229

約数の個数: 18

約数和(自身を含む): 36945608

約数和(自身を除く): 17072812

約数列:

[1, 2, 4, 17, 34, 68, 289, 578, 1156, 17191, 34382, 68764, 292247, 584494, 1168988, 4968199, 9936398, 19872796]

約数ペア:

[(1, 19872796), (2, 9936398), (4, 4968199), (17, 1168988), (34, 584494), (68, 292247), (289, 68764), (578, 34382), (1156, 17191)]