19581420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{67}}^1\times {\mathrm{4871}}^1$

素因数の和:4950

約数の個数: 48

約数和(自身を含む): 55657728

約数和(自身を除く): 36076308

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 67, 134, 201, 268, 335, 402, 670, 804, 1005, 1340, 2010, 4020, 4871, 9742, 14613, 19484, 24355, 29226, 48710, 58452, 73065, 97420, 146130, 292260, 326357, 652714, 979071, 1305428, 1631785, 1958142, 3263570, 3916284, 4895355, 6527140, 9790710, 19581420]

約数ペア:

[(1, 19581420), (2, 9790710), (3, 6527140), (4, 4895355), (5, 3916284), (6, 3263570), (10, 1958142), (12, 1631785), (15, 1305428), (20, 979071), (30, 652714), (60, 326357), (67, 292260), (134, 146130), (201, 97420), (268, 73065), (335, 58452), (402, 48710), (670, 29226), (804, 24355), (1005, 19484), (1340, 14613), (2010, 9742), (4020, 4871)]