19550205

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 35717760

約数和(自身を除く): 16167555

約数列:

[1, 3, 5, 9, 15, 29, 45, 71, 87, 145, 211, 213, 261, 355, 435, 633, 639, 1055, 1065, 1305, 1899, 2059, 3165, 3195, 6119, 6177, 9495, 10295, 14981, 18357, 18531, 30595, 30885, 44943, 55071, 74905, 91785, 92655, 134829, 224715, 275355, 434449, 674145, 1303347, 2172245, 3910041, 6516735, 19550205]

約数ペア:

[(1, 19550205), (3, 6516735), (5, 3910041), (9, 2172245), (15, 1303347), (29, 674145), (45, 434449), (71, 275355), (87, 224715), (145, 134829), (211, 92655), (213, 91785), (261, 74905), (355, 55071), (435, 44943), (633, 30885), (639, 30595), (1055, 18531), (1065, 18357), (1305, 14981), (1899, 10295), (2059, 9495), (3165, 6177), (3195, 6119)]