18611768

素因数分解:

$2^3\times 7^2\times {\mathrm{79}}^1\times {\mathrm{601}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 41176800

約数和(自身を除く): 22565032

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 79, 98, 158, 196, 316, 392, 553, 601, 632, 1106, 1202, 2212, 2404, 3871, 4207, 4424, 4808, 7742, 8414, 15484, 16828, 29449, 30968, 33656, 47479, 58898, 94958, 117796, 189916, 235592, 332353, 379832, 664706, 1329412, 2326471, 2658824, 4652942, 9305884, 18611768]

約数ペア:

[(1, 18611768), (2, 9305884), (4, 4652942), (7, 2658824), (8, 2326471), (14, 1329412), (28, 664706), (49, 379832), (56, 332353), (79, 235592), (98, 189916), (158, 117796), (196, 94958), (316, 58898), (392, 47479), (553, 33656), (601, 30968), (632, 29449), (1106, 16828), (1202, 15484), (2212, 8414), (2404, 7742), (3871, 4808), (4207, 4424)]