19670475

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:348

約数の個数: 48

約数和(自身を含む): 35961984

約数和(自身を除く): 16291509

約数列:

[1, 3, 5, 11, 15, 25, 33, 55, 75, 113, 165, 211, 275, 339, 565, 633, 825, 1055, 1243, 1695, 2321, 2825, 3165, 3729, 5275, 6215, 6963, 8475, 11605, 15825, 18645, 23843, 31075, 34815, 58025, 71529, 93225, 119215, 174075, 262273, 357645, 596075, 786819, 1311365, 1788225, 3934095, 6556825, 19670475]

約数ペア:

[(1, 19670475), (3, 6556825), (5, 3934095), (11, 1788225), (15, 1311365), (25, 786819), (33, 596075), (55, 357645), (75, 262273), (113, 174075), (165, 119215), (211, 93225), (275, 71529), (339, 58025), (565, 34815), (633, 31075), (825, 23843), (1055, 18645), (1243, 15825), (1695, 11605), (2321, 8475), (2825, 6963), (3165, 6215), (3729, 5275)]