19287080404

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1\times {\mathrm{1291}}^1$

素因数の和:2108

約数の個数: 48

約数和(自身を含む): 35094771712

約数和(自身を除く): 15807691308

約数列:

[1, 2, 4, 31, 62, 124, 211, 422, 571, 844, 1142, 1291, 2284, 2582, 5164, 6541, 13082, 17701, 26164, 35402, 40021, 70804, 80042, 120481, 160084, 240962, 272401, 481924, 544802, 737161, 1089604, 1474322, 2948644, 3734911, 7469822, 8444431, 14939644, 16888862, 22851991, 33777724, 45703982, 91407964, 155540971, 311081942, 622163884, 4821770101, 9643540202, 19287080404]

約数ペア:

[(1, 19287080404), (2, 9643540202), (4, 4821770101), (31, 622163884), (62, 311081942), (124, 155540971), (211, 91407964), (422, 45703982), (571, 33777724), (844, 22851991), (1142, 16888862), (1291, 14939644), (2284, 8444431), (2582, 7469822), (5164, 3734911), (6541, 2948644), (13082, 1474322), (17701, 1089604), (26164, 737161), (35402, 544802), (40021, 481924), (70804, 272401), (80042, 240962), (120481, 160084)]