18713880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:473

約数の個数: 96

約数和(自身を含む): 61354800

約数和(自身を除く): 42640920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 227, 229, 360, 454, 458, 681, 687, 908, 916, 1135, 1145, 1362, 1374, 1816, 1832, 2043, 2061, 2270, 2290, 2724, 2748, 3405, 3435, 4086, 4122, 4540, 4580, 5448, 5496, 6810, 6870, 8172, 8244, 9080, 9160, 10215, 10305, 13620, 13740, 16344, 16488, 20430, 20610, 27240, 27480, 40860, 41220, 51983, 81720, 82440, 103966, 155949, 207932, 259915, 311898, 415864, 467847, 519830, 623796, 779745, 935694, 1039660, 1247592, 1559490, 1871388, 2079320, 2339235, 3118980, 3742776, 4678470, 6237960, 9356940, 18713880]

約数ペア:

[(1, 18713880), (2, 9356940), (3, 6237960), (4, 4678470), (5, 3742776), (6, 3118980), (8, 2339235), (9, 2079320), (10, 1871388), (12, 1559490), (15, 1247592), (18, 1039660), (20, 935694), (24, 779745), (30, 623796), (36, 519830), (40, 467847), (45, 415864), (60, 311898), (72, 259915), (90, 207932), (120, 155949), (180, 103966), (227, 82440), (229, 81720), (360, 51983), (454, 41220), (458, 40860), (681, 27480), (687, 27240), (908, 20610), (916, 20430), (1135, 16488), (1145, 16344), (1362, 13740), (1374, 13620), (1816, 10305), (1832, 10215), (2043, 9160), (2061, 9080), (2270, 8244), (2290, 8172), (2724, 6870), (2748, 6810), (3405, 5496), (3435, 5448), (4086, 4580), (4122, 4540)]