19148025

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{479}}^1$

素因数の和:546

約数の個数: 48

約数和(自身を含む): 34997760

約数和(自身を除く): 15849735

約数列:

[1, 3, 5, 13, 15, 25, 39, 41, 65, 75, 123, 195, 205, 325, 479, 533, 615, 975, 1025, 1437, 1599, 2395, 2665, 3075, 6227, 7185, 7995, 11975, 13325, 18681, 19639, 31135, 35925, 39975, 58917, 93405, 98195, 155675, 255307, 294585, 467025, 490975, 765921, 1276535, 1472925, 3829605, 6382675, 19148025]

約数ペア:

[(1, 19148025), (3, 6382675), (5, 3829605), (13, 1472925), (15, 1276535), (25, 765921), (39, 490975), (41, 467025), (65, 294585), (75, 255307), (123, 155675), (195, 98195), (205, 93405), (325, 58917), (479, 39975), (533, 35925), (615, 31135), (975, 19639), (1025, 18681), (1437, 13325), (1599, 11975), (2395, 7995), (2665, 7185), (3075, 6227)]