19912323316

素因数分解:

$2^2\times {\mathrm{101}}^1\times {\mathrm{181}}^1\times {\mathrm{307}}^1\times {\mathrm{887}}^1$

素因数の和:1480

約数の個数: 48

約数和(自身を含む): 35541297792

約数和(自身を除く): 15628974476

約数列:

[1, 2, 4, 101, 181, 202, 307, 362, 404, 614, 724, 887, 1228, 1774, 3548, 18281, 31007, 36562, 55567, 62014, 73124, 89587, 111134, 124028, 160547, 179174, 222268, 272309, 321094, 358348, 544618, 642188, 1089236, 5612267, 11224534, 16215247, 22449068, 27503209, 32430494, 49287929, 55006418, 64860988, 98575858, 110012836, 197151716, 4978080829, 9956161658, 19912323316]

約数ペア:

[(1, 19912323316), (2, 9956161658), (4, 4978080829), (101, 197151716), (181, 110012836), (202, 98575858), (307, 64860988), (362, 55006418), (404, 49287929), (614, 32430494), (724, 27503209), (887, 22449068), (1228, 16215247), (1774, 11224534), (3548, 5612267), (18281, 1089236), (31007, 642188), (36562, 544618), (55567, 358348), (62014, 321094), (73124, 272309), (89587, 222268), (111134, 179174), (124028, 160547)]