18810960

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11197}}^1$

素因数の和:11220

約数の個数: 80

約数和(自身を含む): 66650496

約数和(自身を除く): 47839536

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 11197, 22394, 33591, 44788, 55985, 67182, 78379, 89576, 111970, 134364, 156758, 167955, 179152, 223940, 235137, 268728, 313516, 335910, 391895, 447880, 470274, 537456, 627032, 671820, 783790, 895760, 940548, 1175685, 1254064, 1343640, 1567580, 1881096, 2351370, 2687280, 3135160, 3762192, 4702740, 6270320, 9405480, 18810960]

約数ペア:

[(1, 18810960), (2, 9405480), (3, 6270320), (4, 4702740), (5, 3762192), (6, 3135160), (7, 2687280), (8, 2351370), (10, 1881096), (12, 1567580), (14, 1343640), (15, 1254064), (16, 1175685), (20, 940548), (21, 895760), (24, 783790), (28, 671820), (30, 627032), (35, 537456), (40, 470274), (42, 447880), (48, 391895), (56, 335910), (60, 313516), (70, 268728), (80, 235137), (84, 223940), (105, 179152), (112, 167955), (120, 156758), (140, 134364), (168, 111970), (210, 89576), (240, 78379), (280, 67182), (336, 55985), (420, 44788), (560, 33591), (840, 22394), (1680, 11197)]