19867778

素因数分解:

$2^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{67}}^1\times {\mathrm{359}}^1$

素因数の和:494

約数の個数: 32

約数和(自身を含む): 35251200

約数和(自身を除く): 15383422

約数列:

[1, 2, 7, 14, 59, 67, 118, 134, 359, 413, 469, 718, 826, 938, 2513, 3953, 5026, 7906, 21181, 24053, 27671, 42362, 48106, 55342, 148267, 168371, 296534, 336742, 1419127, 2838254, 9933889, 19867778]

約数ペア:

[(1, 19867778), (2, 9933889), (7, 2838254), (14, 1419127), (59, 336742), (67, 296534), (118, 168371), (134, 148267), (359, 55342), (413, 48106), (469, 42362), (718, 27671), (826, 24053), (938, 21181), (2513, 7906), (3953, 5026)]