18814380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24121}}^1$

素因数の和:24146

約数の個数: 48

約数和(自身を含む): 56734944

約数和(自身を除く): 37920564

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, 24121, 48242, 72363, 96484, 120605, 144726, 241210, 289452, 313573, 361815, 482420, 627146, 723630, 940719, 1254292, 1447260, 1567865, 1881438, 3135730, 3762876, 4703595, 6271460, 9407190, 18814380]

約数ペア:

[(1, 18814380), (2, 9407190), (3, 6271460), (4, 4703595), (5, 3762876), (6, 3135730), (10, 1881438), (12, 1567865), (13, 1447260), (15, 1254292), (20, 940719), (26, 723630), (30, 627146), (39, 482420), (52, 361815), (60, 313573), (65, 289452), (78, 241210), (130, 144726), (156, 120605), (195, 96484), (260, 72363), (390, 48242), (780, 24121)]