18879065

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1$

素因数の和:233

約数の個数: 32

約数和(自身を含む): 25280640

約数和(自身を除く): 6401575

約数列:

[1, 5, 19, 37, 41, 95, 131, 185, 205, 655, 703, 779, 1517, 2489, 3515, 3895, 4847, 5371, 7585, 12445, 24235, 26855, 28823, 92093, 102049, 144115, 198727, 460465, 510245, 993635, 3775813, 18879065]

約数ペア:

[(1, 18879065), (5, 3775813), (19, 993635), (37, 510245), (41, 460465), (95, 198727), (131, 144115), (185, 102049), (205, 92093), (655, 28823), (703, 26855), (779, 24235), (1517, 12445), (2489, 7585), (3515, 5371), (3895, 4847)]