19503558

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{5087}}^1$

素因数の和:5169

約数の個数: 32

約数和(自身を含む): 43960320

約数和(自身を除く): 24456762

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 5087, 10174, 15261, 30522, 45783, 91566, 137349, 274698, 361177, 722354, 1083531, 2167062, 3250593, 6501186, 9751779, 19503558]

約数ペア:

[(1, 19503558), (2, 9751779), (3, 6501186), (6, 3250593), (9, 2167062), (18, 1083531), (27, 722354), (54, 361177), (71, 274698), (142, 137349), (213, 91566), (426, 45783), (639, 30522), (1278, 15261), (1917, 10174), (3834, 5087)]