19801668

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{859}}^1$

素因数の和:996

約数の個数: 48

約数和(自身を含む): 49412160

約数和(自身を除く): 29610492

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 113, 204, 226, 339, 452, 678, 859, 1356, 1718, 1921, 2577, 3436, 3842, 5154, 5763, 7684, 10308, 11526, 14603, 23052, 29206, 43809, 58412, 87618, 97067, 175236, 194134, 291201, 388268, 582402, 1164804, 1650139, 3300278, 4950417, 6600556, 9900834, 19801668]

約数ペア:

[(1, 19801668), (2, 9900834), (3, 6600556), (4, 4950417), (6, 3300278), (12, 1650139), (17, 1164804), (34, 582402), (51, 388268), (68, 291201), (102, 194134), (113, 175236), (204, 97067), (226, 87618), (339, 58412), (452, 43809), (678, 29206), (859, 23052), (1356, 14603), (1718, 11526), (1921, 10308), (2577, 7684), (3436, 5763), (3842, 5154)]