19129821

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 28062720

約数和(自身を除く): 8932899

約数列:

[1, 3, 29, 31, 41, 87, 93, 123, 173, 519, 899, 1189, 1271, 2697, 3567, 3813, 5017, 5363, 7093, 15051, 16089, 21279, 36859, 110577, 155527, 205697, 219883, 466581, 617091, 659649, 6376607, 19129821]

約数ペア:

[(1, 19129821), (3, 6376607), (29, 659649), (31, 617091), (41, 466581), (87, 219883), (93, 205697), (123, 155527), (173, 110577), (519, 36859), (899, 21279), (1189, 16089), (1271, 15051), (2697, 7093), (3567, 5363), (3813, 5017)]