18741021

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1229}}^1$

素因数の和:1285

約数の個数: 32

約数和(自身を含む): 29756160

約数和(自身を除く): 11015139

約数列:

[1, 3, 13, 17, 23, 39, 51, 69, 221, 299, 391, 663, 897, 1173, 1229, 3687, 5083, 15249, 15977, 20893, 28267, 47931, 62679, 84801, 271609, 367471, 480539, 814827, 1102413, 1441617, 6247007, 18741021]

約数ペア:

[(1, 18741021), (3, 6247007), (13, 1441617), (17, 1102413), (23, 814827), (39, 480539), (51, 367471), (69, 271609), (221, 84801), (299, 62679), (391, 47931), (663, 28267), (897, 20893), (1173, 15977), (1229, 15249), (3687, 5083)]