19571256

素因数分解:

$2^3\times 3^2\times {\mathrm{229}}^1\times {\mathrm{1187}}^1$

素因数の和:1428

約数の個数: 48

約数和(自身を含む): 53281800

約数和(自身を除く): 33710544

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 229, 458, 687, 916, 1187, 1374, 1832, 2061, 2374, 2748, 3561, 4122, 4748, 5496, 7122, 8244, 9496, 10683, 14244, 16488, 21366, 28488, 42732, 85464, 271823, 543646, 815469, 1087292, 1630938, 2174584, 2446407, 3261876, 4892814, 6523752, 9785628, 19571256]

約数ペア:

[(1, 19571256), (2, 9785628), (3, 6523752), (4, 4892814), (6, 3261876), (8, 2446407), (9, 2174584), (12, 1630938), (18, 1087292), (24, 815469), (36, 543646), (72, 271823), (229, 85464), (458, 42732), (687, 28488), (916, 21366), (1187, 16488), (1374, 14244), (1832, 10683), (2061, 9496), (2374, 8244), (2748, 7122), (3561, 5496), (4122, 4748)]