15503696

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3923}}^1$

素因数の和:3963

約数の個数: 40

約数和(自身を含む): 34060320

約数和(自身を除く): 18556624

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3923, 3952, 7846, 15692, 31384, 50999, 62768, 74537, 101998, 149074, 203996, 298148, 407992, 596296, 815984, 968981, 1192592, 1937962, 3875924, 7751848, 15503696]

約数ペア:

[(1, 15503696), (2, 7751848), (4, 3875924), (8, 1937962), (13, 1192592), (16, 968981), (19, 815984), (26, 596296), (38, 407992), (52, 298148), (76, 203996), (104, 149074), (152, 101998), (208, 74537), (247, 62768), (304, 50999), (494, 31384), (988, 15692), (1976, 7846), (3923, 3952)]