18680325

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{13109}}^1$

素因数の和:13141

約数の個数: 24

約数和(自身を含む): 32512800

約数和(自身を除く): 13832475

約数列:

[1, 3, 5, 15, 19, 25, 57, 75, 95, 285, 475, 1425, 13109, 39327, 65545, 196635, 249071, 327725, 747213, 983175, 1245355, 3736065, 6226775, 18680325]

約数ペア:

[(1, 18680325), (3, 6226775), (5, 3736065), (15, 1245355), (19, 983175), (25, 747213), (57, 327725), (75, 249071), (95, 196635), (285, 65545), (475, 39327), (1425, 13109)]