19005975

素因数分解:

$3^3\times 5^2\times {\mathrm{37}}^1\times {\mathrm{761}}^1$

素因数の和:817

約数の個数: 48

約数和(自身を含む): 35905440

約数和(自身を除く): 16899465

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 111, 135, 185, 225, 333, 555, 675, 761, 925, 999, 1665, 2283, 2775, 3805, 4995, 6849, 8325, 11415, 19025, 20547, 24975, 28157, 34245, 57075, 84471, 102735, 140785, 171225, 253413, 422355, 513675, 703925, 760239, 1267065, 2111775, 3801195, 6335325, 19005975]

約数ペア:

[(1, 19005975), (3, 6335325), (5, 3801195), (9, 2111775), (15, 1267065), (25, 760239), (27, 703925), (37, 513675), (45, 422355), (75, 253413), (111, 171225), (135, 140785), (185, 102735), (225, 84471), (333, 57075), (555, 34245), (675, 28157), (761, 24975), (925, 20547), (999, 19025), (1665, 11415), (2283, 8325), (2775, 6849), (3805, 4995)]