19983642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{151}}^1$

素因数の和:323

約数の個数: 64

約数和(自身を含む): 48328704

約数和(自身を除く): 28345062

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 69, 137, 138, 151, 161, 274, 302, 322, 411, 453, 483, 822, 906, 959, 966, 1057, 1918, 2114, 2877, 3151, 3171, 3473, 5754, 6302, 6342, 6946, 9453, 10419, 18906, 20687, 20838, 22057, 24311, 41374, 44114, 48622, 62061, 66171, 72933, 124122, 132342, 144809, 145866, 289618, 434427, 475801, 868854, 951602, 1427403, 2854806, 3330607, 6661214, 9991821, 19983642]

約数ペア:

[(1, 19983642), (2, 9991821), (3, 6661214), (6, 3330607), (7, 2854806), (14, 1427403), (21, 951602), (23, 868854), (42, 475801), (46, 434427), (69, 289618), (137, 145866), (138, 144809), (151, 132342), (161, 124122), (274, 72933), (302, 66171), (322, 62061), (411, 48622), (453, 44114), (483, 41374), (822, 24311), (906, 22057), (959, 20838), (966, 20687), (1057, 18906), (1918, 10419), (2114, 9453), (2877, 6946), (3151, 6342), (3171, 6302), (3473, 5754)]