18795455

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1079

約数の個数: 32

約数和(自身を含む): 28200960

約数和(自身を除く): 9405505

約数列:

[1, 5, 7, 17, 31, 35, 85, 119, 155, 217, 527, 595, 1019, 1085, 2635, 3689, 5095, 7133, 17323, 18445, 31589, 35665, 86615, 121261, 157945, 221123, 537013, 606305, 1105615, 2685065, 3759091, 18795455]

約数ペア:

[(1, 18795455), (5, 3759091), (7, 2685065), (17, 1105615), (31, 606305), (35, 537013), (85, 221123), (119, 157945), (155, 121261), (217, 86615), (527, 35665), (595, 31589), (1019, 18445), (1085, 17323), (2635, 7133), (3689, 5095)]