18346140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{449}}^1$

素因数の和:691

約数の個数: 72

約数和(自身を含む): 56019600

約数和(自身を除く): 37673460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 449, 454, 681, 898, 908, 1135, 1347, 1362, 1796, 2043, 2245, 2270, 2694, 2724, 3405, 4041, 4086, 4490, 4540, 5388, 6735, 6810, 8082, 8172, 8980, 10215, 13470, 13620, 16164, 20205, 20430, 26940, 40410, 40860, 80820, 101923, 203846, 305769, 407692, 509615, 611538, 917307, 1019230, 1223076, 1528845, 1834614, 2038460, 3057690, 3669228, 4586535, 6115380, 9173070, 18346140]

約数ペア:

[(1, 18346140), (2, 9173070), (3, 6115380), (4, 4586535), (5, 3669228), (6, 3057690), (9, 2038460), (10, 1834614), (12, 1528845), (15, 1223076), (18, 1019230), (20, 917307), (30, 611538), (36, 509615), (45, 407692), (60, 305769), (90, 203846), (180, 101923), (227, 80820), (449, 40860), (454, 40410), (681, 26940), (898, 20430), (908, 20205), (1135, 16164), (1347, 13620), (1362, 13470), (1796, 10215), (2043, 8980), (2245, 8172), (2270, 8082), (2694, 6810), (2724, 6735), (3405, 5388), (4041, 4540), (4086, 4490)]