18884040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{22481}}^1$

素因数の和:22502

約数の個数: 64

約数和(自身を含む): 64748160

約数和(自身を除く): 45864120

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, 22481, 44962, 67443, 89924, 112405, 134886, 157367, 179848, 224810, 269772, 314734, 337215, 449620, 472101, 539544, 629468, 674430, 786835, 899240, 944202, 1258936, 1348860, 1573670, 1888404, 2360505, 2697720, 3147340, 3776808, 4721010, 6294680, 9442020, 18884040]

約数ペア:

[(1, 18884040), (2, 9442020), (3, 6294680), (4, 4721010), (5, 3776808), (6, 3147340), (7, 2697720), (8, 2360505), (10, 1888404), (12, 1573670), (14, 1348860), (15, 1258936), (20, 944202), (21, 899240), (24, 786835), (28, 674430), (30, 629468), (35, 539544), (40, 472101), (42, 449620), (56, 337215), (60, 314734), (70, 269772), (84, 224810), (105, 179848), (120, 157367), (140, 134886), (168, 112405), (210, 89924), (280, 67443), (420, 44962), (840, 22481)]