19062420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{24439}}^1$

素因数の和:24464

約数の個数: 48

約数和(自身を含む): 57482880

約数和(自身を除く): 38420460

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, 24439, 48878, 73317, 97756, 122195, 146634, 244390, 293268, 317707, 366585, 488780, 635414, 733170, 953121, 1270828, 1466340, 1588535, 1906242, 3177070, 3812484, 4765605, 6354140, 9531210, 19062420]

約数ペア:

[(1, 19062420), (2, 9531210), (3, 6354140), (4, 4765605), (5, 3812484), (6, 3177070), (10, 1906242), (12, 1588535), (13, 1466340), (15, 1270828), (20, 953121), (26, 733170), (30, 635414), (39, 488780), (52, 366585), (60, 317707), (65, 293268), (78, 244390), (130, 146634), (156, 122195), (195, 97756), (260, 73317), (390, 48878), (780, 24439)]