18982665

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{877}}^1$

素因数の和:938

約数の個数: 48

約数和(自身を含む): 36433488

約数和(自身を除く): 17450823

約数列:

[1, 3, 5, 9, 13, 15, 37, 39, 45, 65, 111, 117, 185, 195, 333, 481, 555, 585, 877, 1443, 1665, 2405, 2631, 4329, 4385, 7215, 7893, 11401, 13155, 21645, 32449, 34203, 39465, 57005, 97347, 102609, 162245, 171015, 292041, 421837, 486735, 513045, 1265511, 1460205, 2109185, 3796533, 6327555, 18982665]

約数ペア:

[(1, 18982665), (3, 6327555), (5, 3796533), (9, 2109185), (13, 1460205), (15, 1265511), (37, 513045), (39, 486735), (45, 421837), (65, 292041), (111, 171015), (117, 162245), (185, 102609), (195, 97347), (333, 57005), (481, 39465), (555, 34203), (585, 32449), (877, 21645), (1443, 13155), (1665, 11401), (2405, 7893), (2631, 7215), (4329, 4385)]