18968904

素因数分解:

$2^3\times 3^4\times {\mathrm{73}}^1\times {\mathrm{401}}^1$

素因数の和:492

約数の個数: 80

約数和(自身を含む): 53992620

約数和(自身を除く): 35023716

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 73, 81, 108, 146, 162, 216, 219, 292, 324, 401, 438, 584, 648, 657, 802, 876, 1203, 1314, 1604, 1752, 1971, 2406, 2628, 3208, 3609, 3942, 4812, 5256, 5913, 7218, 7884, 9624, 10827, 11826, 14436, 15768, 21654, 23652, 28872, 29273, 32481, 43308, 47304, 58546, 64962, 86616, 87819, 117092, 129924, 175638, 234184, 259848, 263457, 351276, 526914, 702552, 790371, 1053828, 1580742, 2107656, 2371113, 3161484, 4742226, 6322968, 9484452, 18968904]

約数ペア:

[(1, 18968904), (2, 9484452), (3, 6322968), (4, 4742226), (6, 3161484), (8, 2371113), (9, 2107656), (12, 1580742), (18, 1053828), (24, 790371), (27, 702552), (36, 526914), (54, 351276), (72, 263457), (73, 259848), (81, 234184), (108, 175638), (146, 129924), (162, 117092), (216, 87819), (219, 86616), (292, 64962), (324, 58546), (401, 47304), (438, 43308), (584, 32481), (648, 29273), (657, 28872), (802, 23652), (876, 21654), (1203, 15768), (1314, 14436), (1604, 11826), (1752, 10827), (1971, 9624), (2406, 7884), (2628, 7218), (3208, 5913), (3609, 5256), (3942, 4812)]