18684408

素因数分解:

$2^3\times 3^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{397}}^1$

素因数の和:496

約数の個数: 64

約数和(自身を含む): 49001760

約数和(自身を除く): 30317352

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 37, 53, 74, 106, 111, 148, 159, 212, 222, 296, 318, 397, 424, 444, 636, 794, 888, 1191, 1272, 1588, 1961, 2382, 3176, 3922, 4764, 5883, 7844, 9528, 11766, 14689, 15688, 21041, 23532, 29378, 42082, 44067, 47064, 58756, 63123, 84164, 88134, 117512, 126246, 168328, 176268, 252492, 352536, 504984, 778517, 1557034, 2335551, 3114068, 4671102, 6228136, 9342204, 18684408]

約数ペア:

[(1, 18684408), (2, 9342204), (3, 6228136), (4, 4671102), (6, 3114068), (8, 2335551), (12, 1557034), (24, 778517), (37, 504984), (53, 352536), (74, 252492), (106, 176268), (111, 168328), (148, 126246), (159, 117512), (212, 88134), (222, 84164), (296, 63123), (318, 58756), (397, 47064), (424, 44067), (444, 42082), (636, 29378), (794, 23532), (888, 21041), (1191, 15688), (1272, 14689), (1588, 11766), (1961, 9528), (2382, 7844), (3176, 5883), (3922, 4764)]