18255675

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{557}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 33212160

約数和(自身を除く): 14956485

約数列:

[1, 3, 5, 15, 19, 23, 25, 57, 69, 75, 95, 115, 285, 345, 437, 475, 557, 575, 1311, 1425, 1671, 1725, 2185, 2785, 6555, 8355, 10583, 10925, 12811, 13925, 31749, 32775, 38433, 41775, 52915, 64055, 158745, 192165, 243409, 264575, 320275, 730227, 793725, 960825, 1217045, 3651135, 6085225, 18255675]

約数ペア:

[(1, 18255675), (3, 6085225), (5, 3651135), (15, 1217045), (19, 960825), (23, 793725), (25, 730227), (57, 320275), (69, 264575), (75, 243409), (95, 192165), (115, 158745), (285, 64055), (345, 52915), (437, 41775), (475, 38433), (557, 32775), (575, 31749), (1311, 13925), (1425, 12811), (1671, 10925), (1725, 10583), (2185, 8355), (2785, 6555)]