19450851

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^2$

素因数の和:140

約数の個数: 48

約数和(自身を含む): 33081600

約数和(自身を除く): 13630749

約数列:

[1, 3, 7, 19, 21, 29, 41, 57, 87, 123, 133, 203, 287, 399, 551, 609, 779, 861, 1189, 1653, 1681, 2337, 3567, 3857, 5043, 5453, 8323, 11571, 11767, 16359, 22591, 24969, 31939, 35301, 48749, 67773, 95817, 146247, 158137, 223573, 341243, 474411, 670719, 926231, 1023729, 2778693, 6483617, 19450851]

約数ペア:

[(1, 19450851), (3, 6483617), (7, 2778693), (19, 1023729), (21, 926231), (29, 670719), (41, 474411), (57, 341243), (87, 223573), (123, 158137), (133, 146247), (203, 95817), (287, 67773), (399, 48749), (551, 35301), (609, 31939), (779, 24969), (861, 22591), (1189, 16359), (1653, 11767), (1681, 11571), (2337, 8323), (3567, 5453), (3857, 5043)]