18903069913

素因数分解:

$7^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{8599}}^1$

素因数の和:8679

約数の個数: 64

約数和(自身を含む): 26006400000

約数和(自身を除く): 7103330087

約数列:

[1, 7, 13, 17, 29, 49, 91, 119, 203, 221, 343, 377, 493, 637, 833, 1421, 1547, 2639, 3451, 4459, 5831, 6409, 8599, 9947, 10829, 18473, 24157, 44863, 60193, 75803, 111787, 129311, 146183, 169099, 249371, 314041, 421351, 782509, 1023281, 1745597, 1900379, 2198287, 2949457, 3241823, 4239307, 5477563, 7162967, 12219179, 13302653, 22692761, 29675149, 38342941, 50140769, 55110991, 85534253, 93118571, 158849327, 207726043, 385776937, 651829997, 1111945289, 1454082301, 2700438559, 18903069913]

約数ペア:

[(1, 18903069913), (7, 2700438559), (13, 1454082301), (17, 1111945289), (29, 651829997), (49, 385776937), (91, 207726043), (119, 158849327), (203, 93118571), (221, 85534253), (343, 55110991), (377, 50140769), (493, 38342941), (637, 29675149), (833, 22692761), (1421, 13302653), (1547, 12219179), (2639, 7162967), (3451, 5477563), (4459, 4239307), (5831, 3241823), (6409, 2949457), (8599, 2198287), (9947, 1900379), (10829, 1745597), (18473, 1023281), (24157, 782509), (44863, 421351), (60193, 314041), (75803, 249371), (111787, 169099), (129311, 146183)]