19399614

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:233

約数の個数: 64

約数和(自身を含む): 44126208

約数和(自身を除く): 24726594

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 71, 78, 93, 113, 142, 186, 213, 226, 339, 403, 426, 678, 806, 923, 1209, 1469, 1846, 2201, 2418, 2769, 2938, 3503, 4402, 4407, 5538, 6603, 7006, 8023, 8814, 10509, 13206, 16046, 21018, 24069, 28613, 45539, 48138, 57226, 85839, 91078, 104299, 136617, 171678, 208598, 248713, 273234, 312897, 497426, 625794, 746139, 1492278, 3233269, 6466538, 9699807, 19399614]

約数ペア:

[(1, 19399614), (2, 9699807), (3, 6466538), (6, 3233269), (13, 1492278), (26, 746139), (31, 625794), (39, 497426), (62, 312897), (71, 273234), (78, 248713), (93, 208598), (113, 171678), (142, 136617), (186, 104299), (213, 91078), (226, 85839), (339, 57226), (403, 48138), (426, 45539), (678, 28613), (806, 24069), (923, 21018), (1209, 16046), (1469, 13206), (1846, 10509), (2201, 8814), (2418, 8023), (2769, 7006), (2938, 6603), (3503, 5538), (4402, 4407)]