19018320

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{727}}^1$

素因数の和:852

約数の個数: 80

約数和(自身を含む): 59579520

約数和(自身を除く): 40561200

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 109, 120, 218, 240, 327, 436, 545, 654, 727, 872, 1090, 1308, 1454, 1635, 1744, 2180, 2181, 2616, 2908, 3270, 3635, 4360, 4362, 5232, 5816, 6540, 7270, 8720, 8724, 10905, 11632, 13080, 14540, 17448, 21810, 26160, 29080, 34896, 43620, 58160, 79243, 87240, 158486, 174480, 237729, 316972, 396215, 475458, 633944, 792430, 950916, 1188645, 1267888, 1584860, 1901832, 2377290, 3169720, 3803664, 4754580, 6339440, 9509160, 19018320]

約数ペア:

[(1, 19018320), (2, 9509160), (3, 6339440), (4, 4754580), (5, 3803664), (6, 3169720), (8, 2377290), (10, 1901832), (12, 1584860), (15, 1267888), (16, 1188645), (20, 950916), (24, 792430), (30, 633944), (40, 475458), (48, 396215), (60, 316972), (80, 237729), (109, 174480), (120, 158486), (218, 87240), (240, 79243), (327, 58160), (436, 43620), (545, 34896), (654, 29080), (727, 26160), (872, 21810), (1090, 17448), (1308, 14540), (1454, 13080), (1635, 11632), (1744, 10905), (2180, 8724), (2181, 8720), (2616, 7270), (2908, 6540), (3270, 5816), (3635, 5232), (4360, 4362)]