18080172

素因数分解:

$2^2\times 3^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:138

約数の個数: 144

約数和(自身を含む): 55036800

約数和(自身を除く): 36956628

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 19, 22, 27, 33, 36, 38, 44, 54, 57, 66, 76, 81, 89, 99, 108, 114, 132, 162, 171, 178, 198, 209, 228, 243, 267, 297, 324, 342, 356, 396, 418, 486, 513, 534, 594, 627, 684, 801, 836, 891, 972, 979, 1026, 1068, 1188, 1254, 1539, 1602, 1691, 1782, 1881, 1958, 2052, 2403, 2508, 2673, 2937, 3078, 3204, 3382, 3564, 3762, 3916, 4617, 4806, 5073, 5346, 5643, 5874, 6156, 6764, 7209, 7524, 8811, 9234, 9612, 10146, 10692, 11286, 11748, 14418, 15219, 16929, 17622, 18468, 18601, 20292, 21627, 22572, 26433, 28836, 30438, 33858, 35244, 37202, 43254, 45657, 50787, 52866, 55803, 60876, 67716, 74404, 79299, 86508, 91314, 101574, 105732, 111606, 136971, 158598, 167409, 182628, 203148, 223212, 237897, 273942, 317196, 334818, 410913, 475794, 502227, 547884, 669636, 821826, 951588, 1004454, 1506681, 1643652, 2008908, 3013362, 4520043, 6026724, 9040086, 18080172]

約数ペア:

[(1, 18080172), (2, 9040086), (3, 6026724), (4, 4520043), (6, 3013362), (9, 2008908), (11, 1643652), (12, 1506681), (18, 1004454), (19, 951588), (22, 821826), (27, 669636), (33, 547884), (36, 502227), (38, 475794), (44, 410913), (54, 334818), (57, 317196), (66, 273942), (76, 237897), (81, 223212), (89, 203148), (99, 182628), (108, 167409), (114, 158598), (132, 136971), (162, 111606), (171, 105732), (178, 101574), (198, 91314), (209, 86508), (228, 79299), (243, 74404), (267, 67716), (297, 60876), (324, 55803), (342, 52866), (356, 50787), (396, 45657), (418, 43254), (486, 37202), (513, 35244), (534, 33858), (594, 30438), (627, 28836), (684, 26433), (801, 22572), (836, 21627), (891, 20292), (972, 18601), (979, 18468), (1026, 17622), (1068, 16929), (1188, 15219), (1254, 14418), (1539, 11748), (1602, 11286), (1691, 10692), (1782, 10146), (1881, 9612), (1958, 9234), (2052, 8811), (2403, 7524), (2508, 7209), (2673, 6764), (2937, 6156), (3078, 5874), (3204, 5643), (3382, 5346), (3564, 5073), (3762, 4806), (3916, 4617)]