19619782

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1$

素因数の和:197

約数の個数: 64

約数和(自身を含む): 39029760

約数和(自身を除く): 19409978

約数列:

[1, 2, 7, 13, 14, 23, 26, 43, 46, 86, 91, 109, 161, 182, 218, 299, 301, 322, 559, 598, 602, 763, 989, 1118, 1417, 1526, 1978, 2093, 2507, 2834, 3913, 4186, 4687, 5014, 6923, 7826, 9374, 9919, 12857, 13846, 17549, 19838, 25714, 32591, 32809, 35098, 60931, 65182, 65618, 89999, 107801, 121862, 179998, 215602, 228137, 426517, 456274, 754607, 853034, 1401413, 1509214, 2802826, 9809891, 19619782]

約数ペア:

[(1, 19619782), (2, 9809891), (7, 2802826), (13, 1509214), (14, 1401413), (23, 853034), (26, 754607), (43, 456274), (46, 426517), (86, 228137), (91, 215602), (109, 179998), (161, 121862), (182, 107801), (218, 89999), (299, 65618), (301, 65182), (322, 60931), (559, 35098), (598, 32809), (602, 32591), (763, 25714), (989, 19838), (1118, 17549), (1417, 13846), (1526, 12857), (1978, 9919), (2093, 9374), (2507, 7826), (2834, 6923), (3913, 5014), (4186, 4687)]