18651672

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19927}}^1$

素因数の和:19952

約数の個数: 48

約数和(自身を含む): 54403440

約数和(自身を除く): 35751768

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 36, 39, 52, 72, 78, 104, 117, 156, 234, 312, 468, 936, 19927, 39854, 59781, 79708, 119562, 159416, 179343, 239124, 259051, 358686, 478248, 518102, 717372, 777153, 1036204, 1434744, 1554306, 2072408, 2331459, 3108612, 4662918, 6217224, 9325836, 18651672]

約数ペア:

[(1, 18651672), (2, 9325836), (3, 6217224), (4, 4662918), (6, 3108612), (8, 2331459), (9, 2072408), (12, 1554306), (13, 1434744), (18, 1036204), (24, 777153), (26, 717372), (36, 518102), (39, 478248), (52, 358686), (72, 259051), (78, 239124), (104, 179343), (117, 159416), (156, 119562), (234, 79708), (312, 59781), (468, 39854), (936, 19927)]