19175325

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{277}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 34747776

約数和(自身を除く): 15572451

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 71, 75, 195, 213, 277, 325, 355, 831, 923, 975, 1065, 1385, 1775, 2769, 3601, 4155, 4615, 5325, 6925, 10803, 13845, 18005, 19667, 20775, 23075, 54015, 59001, 69225, 90025, 98335, 255671, 270075, 295005, 491675, 767013, 1278355, 1475025, 3835065, 6391775, 19175325]

約数ペア:

[(1, 19175325), (3, 6391775), (5, 3835065), (13, 1475025), (15, 1278355), (25, 767013), (39, 491675), (65, 295005), (71, 270075), (75, 255671), (195, 98335), (213, 90025), (277, 69225), (325, 59001), (355, 54015), (831, 23075), (923, 20775), (975, 19667), (1065, 18005), (1385, 13845), (1775, 10803), (2769, 6925), (3601, 5325), (4155, 4615)]