19419764

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1721}}^1$

素因数の和:1776

約数の個数: 48

約数和(自身を含む): 43201536

約数和(自身を除く): 23781772

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 182, 217, 364, 403, 434, 806, 868, 1612, 1721, 2821, 3442, 5642, 6884, 11284, 12047, 22373, 24094, 44746, 48188, 53351, 89492, 106702, 156611, 213404, 313222, 373457, 626444, 693563, 746914, 1387126, 1493828, 2774252, 4854941, 9709882, 19419764]

約数ペア:

[(1, 19419764), (2, 9709882), (4, 4854941), (7, 2774252), (13, 1493828), (14, 1387126), (26, 746914), (28, 693563), (31, 626444), (52, 373457), (62, 313222), (91, 213404), (124, 156611), (182, 106702), (217, 89492), (364, 53351), (403, 48188), (434, 44746), (806, 24094), (868, 22373), (1612, 12047), (1721, 11284), (2821, 6884), (3442, 5642)]