18904560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{227}}^1\times {\mathrm{347}}^1$

素因数の和:590

約数の個数: 80

約数和(自身を含む): 59031936

約数和(自身を除く): 40127376

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 227, 240, 347, 454, 681, 694, 908, 1041, 1135, 1362, 1388, 1735, 1816, 2082, 2270, 2724, 2776, 3405, 3470, 3632, 4164, 4540, 5205, 5448, 5552, 6810, 6940, 8328, 9080, 10410, 10896, 13620, 13880, 16656, 18160, 20820, 27240, 27760, 41640, 54480, 78769, 83280, 157538, 236307, 315076, 393845, 472614, 630152, 787690, 945228, 1181535, 1260304, 1575380, 1890456, 2363070, 3150760, 3780912, 4726140, 6301520, 9452280, 18904560]

約数ペア:

[(1, 18904560), (2, 9452280), (3, 6301520), (4, 4726140), (5, 3780912), (6, 3150760), (8, 2363070), (10, 1890456), (12, 1575380), (15, 1260304), (16, 1181535), (20, 945228), (24, 787690), (30, 630152), (40, 472614), (48, 393845), (60, 315076), (80, 236307), (120, 157538), (227, 83280), (240, 78769), (347, 54480), (454, 41640), (681, 27760), (694, 27240), (908, 20820), (1041, 18160), (1135, 16656), (1362, 13880), (1388, 13620), (1735, 10896), (1816, 10410), (2082, 9080), (2270, 8328), (2724, 6940), (2776, 6810), (3405, 5552), (3470, 5448), (3632, 5205), (4164, 4540)]