19931145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2377}}^1$

素因数の和:2441

約数の個数: 32

約数和(自身を含む): 35156352

約数和(自身を除く): 15225207

約数列:

[1, 3, 5, 13, 15, 39, 43, 65, 129, 195, 215, 559, 645, 1677, 2377, 2795, 7131, 8385, 11885, 30901, 35655, 92703, 102211, 154505, 306633, 463515, 511055, 1328743, 1533165, 3986229, 6643715, 19931145]

約数ペア:

[(1, 19931145), (3, 6643715), (5, 3986229), (13, 1533165), (15, 1328743), (39, 511055), (43, 463515), (65, 306633), (129, 154505), (195, 102211), (215, 92703), (559, 35655), (645, 30901), (1677, 11885), (2377, 8385), (2795, 7131)]