19564440

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{23291}}^1$

素因数の和:23312

約数の個数: 64

約数和(自身を含む): 67080960

約数和(自身を除く): 47516520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 23291, 46582, 69873, 93164, 116455, 139746, 163037, 186328, 232910, 279492, 326074, 349365, 465820, 489111, 558984, 652148, 698730, 815185, 931640, 978222, 1304296, 1397460, 1630370, 1956444, 2445555, 2794920, 3260740, 3912888, 4891110, 6521480, 9782220, 19564440]

約数ペア:

[(1, 19564440), (2, 9782220), (3, 6521480), (4, 4891110), (5, 3912888), (6, 3260740), (7, 2794920), (8, 2445555), (10, 1956444), (12, 1630370), (14, 1397460), (15, 1304296), (20, 978222), (21, 931640), (24, 815185), (28, 698730), (30, 652148), (35, 558984), (40, 489111), (42, 465820), (56, 349365), (60, 326074), (70, 279492), (84, 232910), (105, 186328), (120, 163037), (140, 139746), (168, 116455), (210, 93164), (280, 69873), (420, 46582), (840, 23291)]