18818885296

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{272959}}^1$

素因数の和:273137

約数の個数: 40

約数和(自身を含む): 37908684800

約数和(自身を除く): 19089799504

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 139, 248, 278, 496, 556, 1112, 2224, 4309, 8618, 17236, 34472, 68944, 272959, 545918, 1091836, 2183672, 4367344, 8461729, 16923458, 33846916, 37941301, 67693832, 75882602, 135387664, 151765204, 303530408, 607060816, 1176180331, 2352360662, 4704721324, 9409442648, 18818885296]

約数ペア:

[(1, 18818885296), (2, 9409442648), (4, 4704721324), (8, 2352360662), (16, 1176180331), (31, 607060816), (62, 303530408), (124, 151765204), (139, 135387664), (248, 75882602), (278, 67693832), (496, 37941301), (556, 33846916), (1112, 16923458), (2224, 8461729), (4309, 4367344), (8618, 2183672), (17236, 1091836), (34472, 545918), (68944, 272959)]