19561245

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{1151}}^1$

素因数の和:1273

約数の個数: 32

約数和(自身を含む): 34504704

約数和(自身を除く): 14943459

約数列:

[1, 3, 5, 11, 15, 33, 55, 103, 165, 309, 515, 1133, 1151, 1545, 3399, 3453, 5665, 5755, 12661, 16995, 17265, 37983, 63305, 118553, 189915, 355659, 592765, 1304083, 1778295, 3912249, 6520415, 19561245]

約数ペア:

[(1, 19561245), (3, 6520415), (5, 3912249), (11, 1778295), (15, 1304083), (33, 592765), (55, 355659), (103, 189915), (165, 118553), (309, 63305), (515, 37983), (1133, 17265), (1151, 16995), (1545, 12661), (3399, 5755), (3453, 5665)]