18388615

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{431}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 26873856

約数和(自身を除く): 8485241

約数列:

[1, 5, 7, 23, 35, 53, 115, 161, 265, 371, 431, 805, 1219, 1855, 2155, 3017, 6095, 8533, 9913, 15085, 22843, 42665, 49565, 69391, 114215, 159901, 346955, 525389, 799505, 2626945, 3677723, 18388615]

約数ペア:

[(1, 18388615), (5, 3677723), (7, 2626945), (23, 799505), (35, 525389), (53, 346955), (115, 159901), (161, 114215), (265, 69391), (371, 49565), (431, 42665), (805, 22843), (1219, 15085), (1855, 9913), (2155, 8533), (3017, 6095)]