19470555

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{401}}^1$

素因数の和:508

約数の個数: 48

約数和(自身を含む): 36874656

約数和(自身を除く): 17404101

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 83, 117, 195, 249, 401, 415, 585, 747, 1079, 1203, 1245, 2005, 3237, 3609, 3735, 5213, 5395, 6015, 9711, 15639, 16185, 18045, 26065, 33283, 46917, 48555, 78195, 99849, 166415, 234585, 299547, 432679, 499245, 1298037, 1497735, 2163395, 3894111, 6490185, 19470555]

約数ペア:

[(1, 19470555), (3, 6490185), (5, 3894111), (9, 2163395), (13, 1497735), (15, 1298037), (39, 499245), (45, 432679), (65, 299547), (83, 234585), (117, 166415), (195, 99849), (249, 78195), (401, 48555), (415, 46917), (585, 33283), (747, 26065), (1079, 18045), (1203, 16185), (1245, 15639), (2005, 9711), (3237, 6015), (3609, 5395), (3735, 5213)]