19380492

素因数分解:

$2^2\times 3^3\times {\mathrm{139}}^1\times {\mathrm{1291}}^1$

素因数の和:1443

約数の個数: 48

約数和(自身を含む): 50646400

約数和(自身を除く): 31265908

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 139, 278, 417, 556, 834, 1251, 1291, 1668, 2502, 2582, 3753, 3873, 5004, 5164, 7506, 7746, 11619, 15012, 15492, 23238, 34857, 46476, 69714, 139428, 179449, 358898, 538347, 717796, 1076694, 1615041, 2153388, 3230082, 4845123, 6460164, 9690246, 19380492]

約数ペア:

[(1, 19380492), (2, 9690246), (3, 6460164), (4, 4845123), (6, 3230082), (9, 2153388), (12, 1615041), (18, 1076694), (27, 717796), (36, 538347), (54, 358898), (108, 179449), (139, 139428), (278, 69714), (417, 46476), (556, 34857), (834, 23238), (1251, 15492), (1291, 15012), (1668, 11619), (2502, 7746), (2582, 7506), (3753, 5164), (3873, 5004)]