19647528

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^2\times {\mathrm{487}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 50449440

約数和(自身を除く): 30801912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 487, 492, 974, 984, 1461, 1681, 1948, 2922, 3362, 3896, 5043, 5844, 6724, 10086, 11688, 13448, 19967, 20172, 39934, 40344, 59901, 79868, 119802, 159736, 239604, 479208, 818647, 1637294, 2455941, 3274588, 4911882, 6549176, 9823764, 19647528]

約数ペア:

[(1, 19647528), (2, 9823764), (3, 6549176), (4, 4911882), (6, 3274588), (8, 2455941), (12, 1637294), (24, 818647), (41, 479208), (82, 239604), (123, 159736), (164, 119802), (246, 79868), (328, 59901), (487, 40344), (492, 39934), (974, 20172), (984, 19967), (1461, 13448), (1681, 11688), (1948, 10086), (2922, 6724), (3362, 5844), (3896, 5043)]