19707878

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{113}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 32175360

約数和(自身を除く): 12467482

約数列:

[1, 2, 29, 31, 58, 62, 97, 113, 194, 226, 899, 1798, 2813, 3007, 3277, 3503, 5626, 6014, 6554, 7006, 10961, 21922, 87203, 101587, 174406, 203174, 317869, 339791, 635738, 679582, 9853939, 19707878]

約数ペア:

[(1, 19707878), (2, 9853939), (29, 679582), (31, 635738), (58, 339791), (62, 317869), (97, 203174), (113, 174406), (194, 101587), (226, 87203), (899, 21922), (1798, 10961), (2813, 7006), (3007, 6554), (3277, 6014), (3503, 5626)]