18214775

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{233}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 23502960

約数和(自身を除く): 5288185

約数列:

[1, 5, 25, 53, 59, 233, 265, 295, 1165, 1325, 1475, 3127, 5825, 12349, 13747, 15635, 61745, 68735, 78175, 308725, 343675, 728591, 3642955, 18214775]

約数ペア:

[(1, 18214775), (5, 3642955), (25, 728591), (53, 343675), (59, 308725), (233, 78175), (265, 68735), (295, 61745), (1165, 15635), (1325, 13747), (1475, 12349), (3127, 5825)]