19378527

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{317}}^1$

素因数の和:439

約数の個数: 32

約数和(自身を含む): 30772224

約数和(自身を除く): 11393697

約数列:

[1, 3, 7, 21, 41, 71, 123, 213, 287, 317, 497, 861, 951, 1491, 2219, 2911, 6657, 8733, 12997, 20377, 22507, 38991, 61131, 67521, 90979, 157549, 272937, 472647, 922787, 2768361, 6459509, 19378527]

約数ペア:

[(1, 19378527), (3, 6459509), (7, 2768361), (21, 922787), (41, 472647), (71, 272937), (123, 157549), (213, 90979), (287, 67521), (317, 61131), (497, 38991), (861, 22507), (951, 20377), (1491, 12997), (2219, 8733), (2911, 6657)]