18396028

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{229}}^1$

素因数の和:410

約数の個数: 48

約数和(自身を含む): 39155200

約数和(自身を除く): 20759172

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 151, 229, 266, 302, 458, 532, 604, 916, 1057, 1603, 2114, 2869, 3206, 4228, 4351, 5738, 6412, 8702, 11476, 17404, 20083, 30457, 34579, 40166, 60914, 69158, 80332, 121828, 138316, 242053, 484106, 657001, 968212, 1314002, 2628004, 4599007, 9198014, 18396028]

約数ペア:

[(1, 18396028), (2, 9198014), (4, 4599007), (7, 2628004), (14, 1314002), (19, 968212), (28, 657001), (38, 484106), (76, 242053), (133, 138316), (151, 121828), (229, 80332), (266, 69158), (302, 60914), (458, 40166), (532, 34579), (604, 30457), (916, 20083), (1057, 17404), (1603, 11476), (2114, 8702), (2869, 6412), (3206, 5738), (4228, 4351)]