18261789

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{443}}^1$

素因数の和:617

約数の個数: 32

約数和(自身を含む): 30234624

約数和(自身を除く): 11972835

約数列:

[1, 3, 7, 13, 21, 39, 91, 151, 273, 443, 453, 1057, 1329, 1963, 3101, 3171, 5759, 5889, 9303, 13741, 17277, 40313, 41223, 66893, 120939, 200679, 468251, 869609, 1404753, 2608827, 6087263, 18261789]

約数ペア:

[(1, 18261789), (3, 6087263), (7, 2608827), (13, 1404753), (21, 869609), (39, 468251), (91, 200679), (151, 120939), (273, 66893), (443, 41223), (453, 40313), (1057, 17277), (1329, 13741), (1963, 9303), (3101, 5889), (3171, 5759)]