19105982

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{331}}^1$

素因数の和:397

約数の個数: 48

約数和(自身を含む): 36334080

約数和(自身を除く): 17228098

約数列:

[1, 2, 7, 14, 19, 31, 38, 49, 62, 98, 133, 217, 266, 331, 434, 589, 662, 931, 1178, 1519, 1862, 2317, 3038, 4123, 4634, 6289, 8246, 10261, 12578, 16219, 20522, 28861, 32438, 44023, 57722, 71827, 88046, 143654, 194959, 308161, 389918, 502789, 616322, 1005578, 1364713, 2729426, 9552991, 19105982]

約数ペア:

[(1, 19105982), (2, 9552991), (7, 2729426), (14, 1364713), (19, 1005578), (31, 616322), (38, 502789), (49, 389918), (62, 308161), (98, 194959), (133, 143654), (217, 88046), (266, 71827), (331, 57722), (434, 44023), (589, 32438), (662, 28861), (931, 20522), (1178, 16219), (1519, 12578), (1862, 10261), (2317, 8246), (3038, 6289), (4123, 4634)]