201911918

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{313}}^1\times {\mathrm{577}}^1$

素因数の和:948

約数の個数: 32

約数和(自身を含む): 335397216

約数和(自身を除く): 133485298

約数列:

[1, 2, 13, 26, 43, 86, 313, 559, 577, 626, 1118, 1154, 4069, 7501, 8138, 13459, 15002, 24811, 26918, 49622, 174967, 180601, 322543, 349934, 361202, 645086, 2347813, 4695626, 7765843, 15531686, 100955959, 201911918]

約数ペア:

[(1, 201911918), (2, 100955959), (13, 15531686), (26, 7765843), (43, 4695626), (86, 2347813), (313, 645086), (559, 361202), (577, 349934), (626, 322543), (1118, 180601), (1154, 174967), (4069, 49622), (7501, 26918), (8138, 24811), (13459, 15002)]