19006981749

素因数分解:

$3^3\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{29311}}^1$

素因数の和:29447

約数の個数: 64

約数和(自身を含む): 33317191680

約数和(自身を除く): 14310209931

約数列:

[1, 3, 7, 9, 21, 27, 47, 63, 73, 141, 189, 219, 329, 423, 511, 657, 987, 1269, 1533, 1971, 2961, 3431, 4599, 8883, 10293, 13797, 24017, 29311, 30879, 72051, 87933, 92637, 205177, 216153, 263799, 615531, 648459, 791397, 1377617, 1846593, 2139703, 4132851, 5539779, 6419109, 9643319, 12398553, 14977921, 19257327, 28929957, 37195659, 44933763, 57771981, 86789871, 100566041, 134801289, 260369613, 301698123, 404403867, 703962287, 905094369, 2111886861, 2715283107, 6335660583, 19006981749]

約数ペア:

[(1, 19006981749), (3, 6335660583), (7, 2715283107), (9, 2111886861), (21, 905094369), (27, 703962287), (47, 404403867), (63, 301698123), (73, 260369613), (141, 134801289), (189, 100566041), (219, 86789871), (329, 57771981), (423, 44933763), (511, 37195659), (657, 28929957), (987, 19257327), (1269, 14977921), (1533, 12398553), (1971, 9643319), (2961, 6419109), (3431, 5539779), (4599, 4132851), (8883, 2139703), (10293, 1846593), (13797, 1377617), (24017, 791397), (29311, 648459), (30879, 615531), (72051, 263799), (87933, 216153), (92637, 205177)]