19757672

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:362

約数の個数: 64

約数和(自身を含む): 43856640

約数和(自身を除く): 24098968

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 47, 68, 88, 94, 136, 187, 188, 281, 374, 376, 517, 562, 748, 799, 1034, 1124, 1496, 1598, 2068, 2248, 3091, 3196, 4136, 4777, 6182, 6392, 8789, 9554, 12364, 13207, 17578, 19108, 24728, 26414, 35156, 38216, 52547, 52828, 70312, 105094, 105656, 145277, 210188, 224519, 290554, 420376, 449038, 581108, 898076, 1162216, 1796152, 2469709, 4939418, 9878836, 19757672]

約数ペア:

[(1, 19757672), (2, 9878836), (4, 4939418), (8, 2469709), (11, 1796152), (17, 1162216), (22, 898076), (34, 581108), (44, 449038), (47, 420376), (68, 290554), (88, 224519), (94, 210188), (136, 145277), (187, 105656), (188, 105094), (281, 70312), (374, 52828), (376, 52547), (517, 38216), (562, 35156), (748, 26414), (799, 24728), (1034, 19108), (1124, 17578), (1496, 13207), (1598, 12364), (2068, 9554), (2248, 8789), (3091, 6392), (3196, 6182), (4136, 4777)]