18718620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1399}}^1$

素因数の和:1634

約数の個数: 48

約数和(自身を含む): 52684800

約数和(自身を除く): 33966180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 1399, 2230, 2676, 2798, 3345, 4197, 4460, 5596, 6690, 6995, 8394, 13380, 13990, 16788, 20985, 27980, 41970, 83940, 311977, 623954, 935931, 1247908, 1559885, 1871862, 3119770, 3743724, 4679655, 6239540, 9359310, 18718620]

約数ペア:

[(1, 18718620), (2, 9359310), (3, 6239540), (4, 4679655), (5, 3743724), (6, 3119770), (10, 1871862), (12, 1559885), (15, 1247908), (20, 935931), (30, 623954), (60, 311977), (223, 83940), (446, 41970), (669, 27980), (892, 20985), (1115, 16788), (1338, 13990), (1399, 13380), (2230, 8394), (2676, 6995), (2798, 6690), (3345, 5596), (4197, 4460)]