18612984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^3\times {\mathrm{353}}^1$

素因数の和:401

約数の個数: 64

約数和(自身を含む): 50551200

約数和(自身を除く): 31938216

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 169, 312, 338, 353, 507, 676, 706, 1014, 1059, 1352, 1412, 2028, 2118, 2197, 2824, 4056, 4236, 4394, 4589, 6591, 8472, 8788, 9178, 13182, 13767, 17576, 18356, 26364, 27534, 36712, 52728, 55068, 59657, 110136, 119314, 178971, 238628, 357942, 477256, 715884, 775541, 1431768, 1551082, 2326623, 3102164, 4653246, 6204328, 9306492, 18612984]

約数ペア:

[(1, 18612984), (2, 9306492), (3, 6204328), (4, 4653246), (6, 3102164), (8, 2326623), (12, 1551082), (13, 1431768), (24, 775541), (26, 715884), (39, 477256), (52, 357942), (78, 238628), (104, 178971), (156, 119314), (169, 110136), (312, 59657), (338, 55068), (353, 52728), (507, 36712), (676, 27534), (706, 26364), (1014, 18356), (1059, 17576), (1352, 13767), (1412, 13182), (2028, 9178), (2118, 8788), (2197, 8472), (2824, 6591), (4056, 4589), (4236, 4394)]