18304630

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:384

約数の個数: 32

約数和(自身を含む): 33786720

約数和(自身を除く): 15482090

約数列:

[1, 2, 5, 10, 89, 131, 157, 178, 262, 314, 445, 655, 785, 890, 1310, 1570, 11659, 13973, 20567, 23318, 27946, 41134, 58295, 69865, 102835, 116590, 139730, 205670, 1830463, 3660926, 9152315, 18304630]

約数ペア:

[(1, 18304630), (2, 9152315), (5, 3660926), (10, 1830463), (89, 205670), (131, 139730), (157, 116590), (178, 102835), (262, 69865), (314, 58295), (445, 41134), (655, 27946), (785, 23318), (890, 20567), (1310, 13973), (1570, 11659)]