19808334

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:199

約数の個数: 128

約数和(自身を含む): 56448000

約数和(自身を除く): 36639666

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 29, 39, 42, 54, 58, 63, 78, 87, 91, 117, 126, 139, 174, 182, 189, 203, 234, 261, 273, 278, 351, 377, 378, 406, 417, 522, 546, 609, 702, 754, 783, 819, 834, 973, 1131, 1218, 1251, 1566, 1638, 1807, 1827, 1946, 2262, 2457, 2502, 2639, 2919, 3393, 3614, 3654, 3753, 4031, 4914, 5278, 5421, 5481, 5838, 6786, 7506, 7917, 8062, 8757, 10179, 10842, 10962, 12093, 12649, 15834, 16263, 17514, 20358, 23751, 24186, 25298, 26271, 28217, 32526, 36279, 37947, 47502, 48789, 52403, 52542, 56434, 71253, 72558, 75894, 84651, 97578, 104806, 108837, 113841, 142506, 157209, 169302, 217674, 227682, 253953, 314418, 341523, 366821, 471627, 507906, 683046, 733642, 761859, 943254, 1100463, 1414881, 1523718, 2200926, 2829762, 3301389, 6602778, 9904167, 19808334]

約数ペア:

[(1, 19808334), (2, 9904167), (3, 6602778), (6, 3301389), (7, 2829762), (9, 2200926), (13, 1523718), (14, 1414881), (18, 1100463), (21, 943254), (26, 761859), (27, 733642), (29, 683046), (39, 507906), (42, 471627), (54, 366821), (58, 341523), (63, 314418), (78, 253953), (87, 227682), (91, 217674), (117, 169302), (126, 157209), (139, 142506), (174, 113841), (182, 108837), (189, 104806), (203, 97578), (234, 84651), (261, 75894), (273, 72558), (278, 71253), (351, 56434), (377, 52542), (378, 52403), (406, 48789), (417, 47502), (522, 37947), (546, 36279), (609, 32526), (702, 28217), (754, 26271), (783, 25298), (819, 24186), (834, 23751), (973, 20358), (1131, 17514), (1218, 16263), (1251, 15834), (1566, 12649), (1638, 12093), (1807, 10962), (1827, 10842), (1946, 10179), (2262, 8757), (2457, 8062), (2502, 7917), (2639, 7506), (2919, 6786), (3393, 5838), (3614, 5481), (3654, 5421), (3753, 5278), (4031, 4914)]