19719594

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{1021}}^1$

素因数の和:1095

約数の個数: 48

約数和(自身を含む): 45438120

約数和(自身を除く): 25718526

約数列:

[1, 2, 3, 6, 9, 18, 29, 37, 58, 74, 87, 111, 174, 222, 261, 333, 522, 666, 1021, 1073, 2042, 2146, 3063, 3219, 6126, 6438, 9189, 9657, 18378, 19314, 29609, 37777, 59218, 75554, 88827, 113331, 177654, 226662, 266481, 339993, 532962, 679986, 1095533, 2191066, 3286599, 6573198, 9859797, 19719594]

約数ペア:

[(1, 19719594), (2, 9859797), (3, 6573198), (6, 3286599), (9, 2191066), (18, 1095533), (29, 679986), (37, 532962), (58, 339993), (74, 266481), (87, 226662), (111, 177654), (174, 113331), (222, 88827), (261, 75554), (333, 59218), (522, 37777), (666, 29609), (1021, 19314), (1073, 18378), (2042, 9657), (2146, 9189), (3063, 6438), (3219, 6126)]