18978648

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{1031}}^1$

素因数の和:1112

約数の個数: 64

約数和(自身を含む): 52012800

約数和(自身を除く): 33034152

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 59, 78, 104, 118, 156, 177, 236, 312, 354, 472, 708, 767, 1031, 1416, 1534, 2062, 2301, 3068, 3093, 4124, 4602, 6136, 6186, 8248, 9204, 12372, 13403, 18408, 24744, 26806, 40209, 53612, 60829, 80418, 107224, 121658, 160836, 182487, 243316, 321672, 364974, 486632, 729948, 790777, 1459896, 1581554, 2372331, 3163108, 4744662, 6326216, 9489324, 18978648]

約数ペア:

[(1, 18978648), (2, 9489324), (3, 6326216), (4, 4744662), (6, 3163108), (8, 2372331), (12, 1581554), (13, 1459896), (24, 790777), (26, 729948), (39, 486632), (52, 364974), (59, 321672), (78, 243316), (104, 182487), (118, 160836), (156, 121658), (177, 107224), (236, 80418), (312, 60829), (354, 53612), (472, 40209), (708, 26806), (767, 24744), (1031, 18408), (1416, 13403), (1534, 12372), (2062, 9204), (2301, 8248), (3068, 6186), (3093, 6136), (4124, 4602)]