19491472160

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2971261}}^1$

素因数の和:2971317

約数の個数: 48

約数和(自身を含む): 47171755512

約数和(自身を除く): 27680283352

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 6560, 2971261, 5942522, 11885044, 14856305, 23770088, 29712610, 47540176, 59425220, 95080352, 118850440, 121821701, 237700880, 243643402, 475401760, 487286804, 609108505, 974573608, 1218217010, 1949147216, 2436434020, 3898294432, 4872868040, 9745736080, 19491472160]

約数ペア:

[(1, 19491472160), (2, 9745736080), (4, 4872868040), (5, 3898294432), (8, 2436434020), (10, 1949147216), (16, 1218217010), (20, 974573608), (32, 609108505), (40, 487286804), (41, 475401760), (80, 243643402), (82, 237700880), (160, 121821701), (164, 118850440), (205, 95080352), (328, 59425220), (410, 47540176), (656, 29712610), (820, 23770088), (1312, 14856305), (1640, 11885044), (3280, 5942522), (6560, 2971261)]