19671472

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1$

素因数の和:397

約数の個数: 40

約数和(自身を含む): 39497472

約数和(自身を除く): 19826000

約数列:

[1, 2, 4, 8, 16, 41, 82, 157, 164, 191, 314, 328, 382, 628, 656, 764, 1256, 1528, 2512, 3056, 6437, 7831, 12874, 15662, 25748, 29987, 31324, 51496, 59974, 62648, 102992, 119948, 125296, 239896, 479792, 1229467, 2458934, 4917868, 9835736, 19671472]

約数ペア:

[(1, 19671472), (2, 9835736), (4, 4917868), (8, 2458934), (16, 1229467), (41, 479792), (82, 239896), (157, 125296), (164, 119948), (191, 102992), (314, 62648), (328, 59974), (382, 51496), (628, 31324), (656, 29987), (764, 25748), (1256, 15662), (1528, 12874), (2512, 7831), (3056, 6437)]