19288815

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{1087}}^1$

素因数の和:1128

約数の個数: 48

約数和(自身を含む): 38227968

約数和(自身を除く): 18939153

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 169, 195, 273, 455, 507, 845, 1087, 1183, 1365, 2535, 3261, 3549, 5435, 5915, 7609, 14131, 16305, 17745, 22827, 38045, 42393, 70655, 98917, 114135, 183703, 211965, 296751, 494585, 551109, 918515, 1285921, 1483755, 2755545, 3857763, 6429605, 19288815]

約数ペア:

[(1, 19288815), (3, 6429605), (5, 3857763), (7, 2755545), (13, 1483755), (15, 1285921), (21, 918515), (35, 551109), (39, 494585), (65, 296751), (91, 211965), (105, 183703), (169, 114135), (195, 98917), (273, 70655), (455, 42393), (507, 38045), (845, 22827), (1087, 17745), (1183, 16305), (1365, 14131), (2535, 7609), (3261, 5915), (3549, 5435)]