19911342

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 64

約数和(自身を含む): 45826560

約数和(自身を除く): 25915218

約数列:

[1, 2, 3, 6, 11, 22, 29, 33, 58, 66, 87, 101, 103, 174, 202, 206, 303, 309, 319, 606, 618, 638, 957, 1111, 1133, 1914, 2222, 2266, 2929, 2987, 3333, 3399, 5858, 5974, 6666, 6798, 8787, 8961, 10403, 17574, 17922, 20806, 31209, 32219, 32857, 62418, 64438, 65714, 96657, 98571, 114433, 193314, 197142, 228866, 301687, 343299, 603374, 686598, 905061, 1810122, 3318557, 6637114, 9955671, 19911342]

約数ペア:

[(1, 19911342), (2, 9955671), (3, 6637114), (6, 3318557), (11, 1810122), (22, 905061), (29, 686598), (33, 603374), (58, 343299), (66, 301687), (87, 228866), (101, 197142), (103, 193314), (174, 114433), (202, 98571), (206, 96657), (303, 65714), (309, 64438), (319, 62418), (606, 32857), (618, 32219), (638, 31209), (957, 20806), (1111, 17922), (1133, 17574), (1914, 10403), (2222, 8961), (2266, 8787), (2929, 6798), (2987, 6666), (3333, 5974), (3399, 5858)]