18813304854

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{13229}}^1$

素因数の和:13366

約数の個数: 72

約数和(自身を含む): 42672782880

約数和(自身を除く): 23859478026

約数列:

[1, 2, 3, 6, 9, 18, 41, 47, 82, 94, 123, 141, 246, 282, 369, 423, 738, 846, 1681, 1927, 3362, 3854, 5043, 5781, 10086, 11562, 13229, 15129, 17343, 26458, 30258, 34686, 39687, 79007, 79374, 119061, 158014, 237021, 238122, 474042, 542389, 621763, 711063, 1084778, 1243526, 1422126, 1627167, 1865289, 3254334, 3730578, 4881501, 5595867, 9763002, 11191734, 22237949, 25492283, 44475898, 50984566, 66713847, 76476849, 133427694, 152953698, 200141541, 229430547, 400283082, 458861094, 1045183603, 2090367206, 3135550809, 6271101618, 9406652427, 18813304854]

約数ペア:

[(1, 18813304854), (2, 9406652427), (3, 6271101618), (6, 3135550809), (9, 2090367206), (18, 1045183603), (41, 458861094), (47, 400283082), (82, 229430547), (94, 200141541), (123, 152953698), (141, 133427694), (246, 76476849), (282, 66713847), (369, 50984566), (423, 44475898), (738, 25492283), (846, 22237949), (1681, 11191734), (1927, 9763002), (3362, 5595867), (3854, 4881501), (5043, 3730578), (5781, 3254334), (10086, 1865289), (11562, 1627167), (13229, 1422126), (15129, 1243526), (17343, 1084778), (26458, 711063), (30258, 621763), (34686, 542389), (39687, 474042), (79007, 238122), (79374, 237021), (119061, 158014)]