18746956798

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{149}}^1\times {\mathrm{557}}^1\times {\mathrm{2131}}^1$

素因数の和:2892

約数の個数: 32

約数和(自身を含む): 28908640800

約数和(自身を除く): 10161684002

約数列:

[1, 2, 53, 106, 149, 298, 557, 1114, 2131, 4262, 7897, 15794, 29521, 59042, 82993, 112943, 165986, 225886, 317519, 635038, 1186967, 2373934, 4398629, 8797258, 16828507, 33657014, 62909251, 125818502, 176858083, 353716166, 9373478399, 18746956798]

約数ペア:

[(1, 18746956798), (2, 9373478399), (53, 353716166), (106, 176858083), (149, 125818502), (298, 62909251), (557, 33657014), (1114, 16828507), (2131, 8797258), (4262, 4398629), (7897, 2373934), (15794, 1186967), (29521, 635038), (59042, 317519), (82993, 225886), (112943, 165986)]