19809088

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:875

約数の個数: 56

約数和(自身を含む): 43845480

約数和(自身を除く): 24036392

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 32, 52, 58, 64, 104, 116, 208, 232, 377, 416, 464, 754, 821, 832, 928, 1508, 1642, 1856, 3016, 3284, 6032, 6568, 10673, 12064, 13136, 21346, 23809, 24128, 26272, 42692, 47618, 52544, 85384, 95236, 170768, 190472, 309517, 341536, 380944, 619034, 683072, 761888, 1238068, 1523776, 2476136, 4952272, 9904544, 19809088]

約数ペア:

[(1, 19809088), (2, 9904544), (4, 4952272), (8, 2476136), (13, 1523776), (16, 1238068), (26, 761888), (29, 683072), (32, 619034), (52, 380944), (58, 341536), (64, 309517), (104, 190472), (116, 170768), (208, 95236), (232, 85384), (377, 52544), (416, 47618), (464, 42692), (754, 26272), (821, 24128), (832, 23809), (928, 21346), (1508, 13136), (1642, 12064), (1856, 10673), (3016, 6568), (3284, 6032)]