19264252

素因数分解:

$2^2\times 7^3\times {\mathrm{19}}^1\times {\mathrm{739}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 41440000

約数和(自身を除く): 22175748

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 49, 76, 98, 133, 196, 266, 343, 532, 686, 739, 931, 1372, 1478, 1862, 2956, 3724, 5173, 6517, 10346, 13034, 14041, 20692, 26068, 28082, 36211, 56164, 72422, 98287, 144844, 196574, 253477, 393148, 506954, 688009, 1013908, 1376018, 2752036, 4816063, 9632126, 19264252]

約数ペア:

[(1, 19264252), (2, 9632126), (4, 4816063), (7, 2752036), (14, 1376018), (19, 1013908), (28, 688009), (38, 506954), (49, 393148), (76, 253477), (98, 196574), (133, 144844), (196, 98287), (266, 72422), (343, 56164), (532, 36211), (686, 28082), (739, 26068), (931, 20692), (1372, 14041), (1478, 13034), (1862, 10346), (2956, 6517), (3724, 5173)]