18631779

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:247

約数の個数: 32

約数和(自身を含む): 27480384

約数和(自身を除く): 8848605

約数列:

[1, 3, 17, 51, 53, 61, 113, 159, 183, 339, 901, 1037, 1921, 2703, 3111, 3233, 5763, 5989, 6893, 9699, 17967, 20679, 54961, 101813, 117181, 164883, 305439, 351543, 365329, 1095987, 6210593, 18631779]

約数ペア:

[(1, 18631779), (3, 6210593), (17, 1095987), (51, 365329), (53, 351543), (61, 305439), (113, 164883), (159, 117181), (183, 101813), (339, 54961), (901, 20679), (1037, 17967), (1921, 9699), (2703, 6893), (3111, 5989), (3233, 5763)]