18940590

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{229}}^1\times {\mathrm{919}}^1$

素因数の和:1161

約数の個数: 48

約数和(自身を含む): 49514400

約数和(自身を除く): 30573810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 229, 458, 687, 919, 1145, 1374, 1838, 2061, 2290, 2757, 3435, 4122, 4595, 5514, 6870, 8271, 9190, 10305, 13785, 16542, 20610, 27570, 41355, 82710, 210451, 420902, 631353, 1052255, 1262706, 1894059, 2104510, 3156765, 3788118, 6313530, 9470295, 18940590]

約数ペア:

[(1, 18940590), (2, 9470295), (3, 6313530), (5, 3788118), (6, 3156765), (9, 2104510), (10, 1894059), (15, 1262706), (18, 1052255), (30, 631353), (45, 420902), (90, 210451), (229, 82710), (458, 41355), (687, 27570), (919, 20610), (1145, 16542), (1374, 13785), (1838, 10305), (2061, 9190), (2290, 8271), (2757, 6870), (3435, 5514), (4122, 4595)]