18471843

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{251}}^1$

素因数の和:324

約数の個数: 48

約数和(自身を含む): 31370976

約数和(自身を除く): 12899133

約数列:

[1, 3, 9, 13, 17, 37, 39, 51, 111, 117, 153, 221, 251, 333, 481, 629, 663, 753, 1443, 1887, 1989, 2259, 3263, 4267, 4329, 5661, 8177, 9287, 9789, 12801, 24531, 27861, 29367, 38403, 55471, 73593, 83583, 120731, 157879, 166413, 362193, 473637, 499239, 1086579, 1420911, 2052427, 6157281, 18471843]

約数ペア:

[(1, 18471843), (3, 6157281), (9, 2052427), (13, 1420911), (17, 1086579), (37, 499239), (39, 473637), (51, 362193), (111, 166413), (117, 157879), (153, 120731), (221, 83583), (251, 73593), (333, 55471), (481, 38403), (629, 29367), (663, 27861), (753, 24531), (1443, 12801), (1887, 9789), (1989, 9287), (2259, 8177), (3263, 5661), (4267, 4329)]