18940410

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{389}}^1\times {\mathrm{541}}^1$

素因数の和:943

約数の個数: 48

約数和(自身を含む): 49462920

約数和(自身を除く): 30522510

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 389, 541, 778, 1082, 1167, 1623, 1945, 2334, 2705, 3246, 3501, 3890, 4869, 5410, 5835, 7002, 8115, 9738, 11670, 16230, 17505, 24345, 35010, 48690, 210449, 420898, 631347, 1052245, 1262694, 1894041, 2104490, 3156735, 3788082, 6313470, 9470205, 18940410]

約数ペア:

[(1, 18940410), (2, 9470205), (3, 6313470), (5, 3788082), (6, 3156735), (9, 2104490), (10, 1894041), (15, 1262694), (18, 1052245), (30, 631347), (45, 420898), (90, 210449), (389, 48690), (541, 35010), (778, 24345), (1082, 17505), (1167, 16230), (1623, 11670), (1945, 9738), (2334, 8115), (2705, 7002), (3246, 5835), (3501, 5410), (3890, 4869)]