19397475

素因数分解:

$3^5\times 5^2\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:159

約数の個数: 72

約数和(自身を含む): 37553152

約数和(自身を除く): 18155677

約数列:

[1, 3, 5, 9, 15, 25, 27, 31, 45, 75, 81, 93, 103, 135, 155, 225, 243, 279, 309, 405, 465, 515, 675, 775, 837, 927, 1215, 1395, 1545, 2025, 2325, 2511, 2575, 2781, 3193, 4185, 4635, 6075, 6975, 7533, 7725, 8343, 9579, 12555, 13905, 15965, 20925, 23175, 25029, 28737, 37665, 41715, 47895, 62775, 69525, 79825, 86211, 125145, 143685, 188325, 208575, 239475, 258633, 431055, 625725, 718425, 775899, 1293165, 2155275, 3879495, 6465825, 19397475]

約数ペア:

[(1, 19397475), (3, 6465825), (5, 3879495), (9, 2155275), (15, 1293165), (25, 775899), (27, 718425), (31, 625725), (45, 431055), (75, 258633), (81, 239475), (93, 208575), (103, 188325), (135, 143685), (155, 125145), (225, 86211), (243, 79825), (279, 69525), (309, 62775), (405, 47895), (465, 41715), (515, 37665), (675, 28737), (775, 25029), (837, 23175), (927, 20925), (1215, 15965), (1395, 13905), (1545, 12555), (2025, 9579), (2325, 8343), (2511, 7725), (2575, 7533), (2781, 6975), (3193, 6075), (4185, 4635)]