18890430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48437}}^1$

素因数の和:48460

約数の個数: 32

約数和(自身を含む): 48825504

約数和(自身を除く): 29935074

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48437, 96874, 145311, 242185, 290622, 484370, 629681, 726555, 1259362, 1453110, 1889043, 3148405, 3778086, 6296810, 9445215, 18890430]

約数ペア:

[(1, 18890430), (2, 9445215), (3, 6296810), (5, 3778086), (6, 3148405), (10, 1889043), (13, 1453110), (15, 1259362), (26, 726555), (30, 629681), (39, 484370), (65, 290622), (78, 242185), (130, 145311), (195, 96874), (390, 48437)]