17911140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{22963}}^1$

素因数の和:22988

約数の個数: 48

約数和(自身を含む): 54011328

約数和(自身を除く): 36100188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 22963, 45926, 68889, 91852, 114815, 137778, 229630, 275556, 298519, 344445, 459260, 597038, 688890, 895557, 1194076, 1377780, 1492595, 1791114, 2985190, 3582228, 4477785, 5970380, 8955570, 17911140]

約数ペア:

[(1, 17911140), (2, 8955570), (3, 5970380), (4, 4477785), (5, 3582228), (6, 2985190), (10, 1791114), (12, 1492595), (13, 1377780), (15, 1194076), (20, 895557), (26, 688890), (30, 597038), (39, 459260), (52, 344445), (60, 298519), (65, 275556), (78, 229630), (130, 137778), (156, 114815), (195, 91852), (260, 68889), (390, 45926), (780, 22963)]