18198756

素因数分解:

$2^2\times 3^6\times {\mathrm{79}}^2$

素因数の和:180

約数の個数: 63

約数和(自身を含む): 48361971

約数和(自身を除く): 30163215

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 243, 316, 324, 474, 486, 711, 729, 948, 972, 1422, 1458, 2133, 2844, 2916, 4266, 6241, 6399, 8532, 12482, 12798, 18723, 19197, 24964, 25596, 37446, 38394, 56169, 57591, 74892, 76788, 112338, 115182, 168507, 224676, 230364, 337014, 505521, 674028, 1011042, 1516563, 2022084, 3033126, 4549689, 6066252, 9099378, 18198756]

約数ペア:

[(1, 18198756), (2, 9099378), (3, 6066252), (4, 4549689), (6, 3033126), (9, 2022084), (12, 1516563), (18, 1011042), (27, 674028), (36, 505521), (54, 337014), (79, 230364), (81, 224676), (108, 168507), (158, 115182), (162, 112338), (237, 76788), (243, 74892), (316, 57591), (324, 56169), (474, 38394), (486, 37446), (711, 25596), (729, 24964), (948, 19197), (972, 18723), (1422, 12798), (1458, 12482), (2133, 8532), (2844, 6399), (2916, 6241)]