19966896

素因数分解:

$2^4\times 3^2\times {\mathrm{313}}^1\times {\mathrm{443}}^1$

素因数の和:770

約数の個数: 60

約数和(自身を含む): 56184648

約数和(自身を除く): 36217752

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 313, 443, 626, 886, 939, 1252, 1329, 1772, 1878, 2504, 2658, 2817, 3544, 3756, 3987, 5008, 5316, 5634, 7088, 7512, 7974, 10632, 11268, 15024, 15948, 21264, 22536, 31896, 45072, 63792, 138659, 277318, 415977, 554636, 831954, 1109272, 1247931, 1663908, 2218544, 2495862, 3327816, 4991724, 6655632, 9983448, 19966896]

約数ペア:

[(1, 19966896), (2, 9983448), (3, 6655632), (4, 4991724), (6, 3327816), (8, 2495862), (9, 2218544), (12, 1663908), (16, 1247931), (18, 1109272), (24, 831954), (36, 554636), (48, 415977), (72, 277318), (144, 138659), (313, 63792), (443, 45072), (626, 31896), (886, 22536), (939, 21264), (1252, 15948), (1329, 15024), (1772, 11268), (1878, 10632), (2504, 7974), (2658, 7512), (2817, 7088), (3544, 5634), (3756, 5316), (3987, 5008)]