19502925

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{241}}^1$

素因数の和:350

約数の個数: 48

約数和(自身を含む): 35289408

約数和(自身を除く): 15786483

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 83, 195, 241, 249, 325, 415, 723, 975, 1079, 1205, 1245, 2075, 3133, 3237, 3615, 5395, 6025, 6225, 9399, 15665, 16185, 18075, 20003, 26975, 46995, 60009, 78325, 80925, 100015, 234975, 260039, 300045, 500075, 780117, 1300195, 1500225, 3900585, 6500975, 19502925]

約数ペア:

[(1, 19502925), (3, 6500975), (5, 3900585), (13, 1500225), (15, 1300195), (25, 780117), (39, 500075), (65, 300045), (75, 260039), (83, 234975), (195, 100015), (241, 80925), (249, 78325), (325, 60009), (415, 46995), (723, 26975), (975, 20003), (1079, 18075), (1205, 16185), (1245, 15665), (2075, 9399), (3133, 6225), (3237, 6025), (3615, 5395)]