19217458

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 32

約数和(自身を含む): 32481792

約数和(自身を除く): 13264334

約数列:

[1, 2, 13, 26, 31, 62, 113, 211, 226, 403, 422, 806, 1469, 2743, 2938, 3503, 5486, 6541, 7006, 13082, 23843, 45539, 47686, 85033, 91078, 170066, 309959, 619918, 739133, 1478266, 9608729, 19217458]

約数ペア:

[(1, 19217458), (2, 9608729), (13, 1478266), (26, 739133), (31, 619918), (62, 309959), (113, 170066), (211, 91078), (226, 85033), (403, 47686), (422, 45539), (806, 23843), (1469, 13082), (2743, 7006), (2938, 6541), (3503, 5486)]