19169220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{45641}}^1$

素因数の和:45660

約数の個数: 48

約数和(自身を含む): 61342848

約数和(自身を除く): 42173628

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 45641, 91282, 136923, 182564, 228205, 273846, 319487, 456410, 547692, 638974, 684615, 912820, 958461, 1277948, 1369230, 1597435, 1916922, 2738460, 3194870, 3833844, 4792305, 6389740, 9584610, 19169220]

約数ペア:

[(1, 19169220), (2, 9584610), (3, 6389740), (4, 4792305), (5, 3833844), (6, 3194870), (7, 2738460), (10, 1916922), (12, 1597435), (14, 1369230), (15, 1277948), (20, 958461), (21, 912820), (28, 684615), (30, 638974), (35, 547692), (42, 456410), (60, 319487), (70, 273846), (84, 228205), (105, 182564), (140, 136923), (210, 91282), (420, 45641)]