15859376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{4013}}^1$

素因数の和:4053

約数の個数: 40

約数和(自身を含む): 34841520

約数和(自身を除く): 18982144

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 4013, 8026, 16052, 32104, 52169, 64208, 76247, 104338, 152494, 208676, 304988, 417352, 609976, 834704, 991211, 1219952, 1982422, 3964844, 7929688, 15859376]

約数ペア:

[(1, 15859376), (2, 7929688), (4, 3964844), (8, 1982422), (13, 1219952), (16, 991211), (19, 834704), (26, 609976), (38, 417352), (52, 304988), (76, 208676), (104, 152494), (152, 104338), (208, 76247), (247, 64208), (304, 52169), (494, 32104), (988, 16052), (1976, 8026), (3952, 4013)]