19723360

素因数分解:

$2^5\times 5^1\times {\mathrm{131}}^1\times {\mathrm{941}}^1$

素因数の和:1087

約数の個数: 48

約数和(自身を含む): 47002032

約数和(自身を除く): 27278672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 131, 160, 262, 524, 655, 941, 1048, 1310, 1882, 2096, 2620, 3764, 4192, 4705, 5240, 7528, 9410, 10480, 15056, 18820, 20960, 30112, 37640, 75280, 123271, 150560, 246542, 493084, 616355, 986168, 1232710, 1972336, 2465420, 3944672, 4930840, 9861680, 19723360]

約数ペア:

[(1, 19723360), (2, 9861680), (4, 4930840), (5, 3944672), (8, 2465420), (10, 1972336), (16, 1232710), (20, 986168), (32, 616355), (40, 493084), (80, 246542), (131, 150560), (160, 123271), (262, 75280), (524, 37640), (655, 30112), (941, 20960), (1048, 18820), (1310, 15056), (1882, 10480), (2096, 9410), (2620, 7528), (3764, 5240), (4192, 4705)]