18359388

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{131}}^1\times {\mathrm{229}}^1$

素因数の和:387

約数の個数: 72

約数和(自身を含む): 49729680

約数和(自身を除く): 31370292

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 131, 153, 204, 229, 262, 306, 393, 458, 524, 612, 687, 786, 916, 1179, 1374, 1572, 2061, 2227, 2358, 2748, 3893, 4122, 4454, 4716, 6681, 7786, 8244, 8908, 11679, 13362, 15572, 20043, 23358, 26724, 29999, 35037, 40086, 46716, 59998, 70074, 80172, 89997, 119996, 140148, 179994, 269991, 359988, 509983, 539982, 1019966, 1079964, 1529949, 2039932, 3059898, 4589847, 6119796, 9179694, 18359388]

約数ペア:

[(1, 18359388), (2, 9179694), (3, 6119796), (4, 4589847), (6, 3059898), (9, 2039932), (12, 1529949), (17, 1079964), (18, 1019966), (34, 539982), (36, 509983), (51, 359988), (68, 269991), (102, 179994), (131, 140148), (153, 119996), (204, 89997), (229, 80172), (262, 70074), (306, 59998), (393, 46716), (458, 40086), (524, 35037), (612, 29999), (687, 26724), (786, 23358), (916, 20043), (1179, 15572), (1374, 13362), (1572, 11679), (2061, 8908), (2227, 8244), (2358, 7786), (2748, 6681), (3893, 4716), (4122, 4454)]