19300125

素因数分解:

$3^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{107}}^1$

素因数の和:175

約数の個数: 64

約数和(自身を含む): 35852544

約数和(自身を除く): 16552419

約数列:

[1, 3, 5, 13, 15, 25, 37, 39, 65, 75, 107, 111, 125, 185, 195, 321, 325, 375, 481, 535, 555, 925, 975, 1391, 1443, 1605, 1625, 2405, 2675, 2775, 3959, 4173, 4625, 4875, 6955, 7215, 8025, 11877, 12025, 13375, 13875, 19795, 20865, 34775, 36075, 40125, 51467, 59385, 60125, 98975, 104325, 154401, 173875, 180375, 257335, 296925, 494875, 521625, 772005, 1286675, 1484625, 3860025, 6433375, 19300125]

約数ペア:

[(1, 19300125), (3, 6433375), (5, 3860025), (13, 1484625), (15, 1286675), (25, 772005), (37, 521625), (39, 494875), (65, 296925), (75, 257335), (107, 180375), (111, 173875), (125, 154401), (185, 104325), (195, 98975), (321, 60125), (325, 59385), (375, 51467), (481, 40125), (535, 36075), (555, 34775), (925, 20865), (975, 19795), (1391, 13875), (1443, 13375), (1605, 12025), (1625, 11877), (2405, 8025), (2675, 7215), (2775, 6955), (3959, 4875), (4173, 4625)]