18452005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{197}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 26345088

約数和(自身を除く): 7893083

約数列:

[1, 5, 11, 13, 55, 65, 131, 143, 197, 655, 715, 985, 1441, 1703, 2167, 2561, 7205, 8515, 10835, 12805, 18733, 25807, 28171, 93665, 129035, 140855, 283877, 335491, 1419385, 1677455, 3690401, 18452005]

約数ペア:

[(1, 18452005), (5, 3690401), (11, 1677455), (13, 1419385), (55, 335491), (65, 283877), (131, 140855), (143, 129035), (197, 93665), (655, 28171), (715, 25807), (985, 18733), (1441, 12805), (1703, 10835), (2167, 8515), (2561, 7205)]