18898495

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{257}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 28532736

約数和(自身を除く): 9634241

約数列:

[1, 5, 7, 11, 35, 55, 77, 191, 257, 385, 955, 1285, 1337, 1799, 2101, 2827, 6685, 8995, 10505, 14135, 14707, 19789, 49087, 73535, 98945, 245435, 343609, 539957, 1718045, 2699785, 3779699, 18898495]

約数ペア:

[(1, 18898495), (5, 3779699), (7, 2699785), (11, 1718045), (35, 539957), (55, 343609), (77, 245435), (191, 98945), (257, 73535), (385, 49087), (955, 19789), (1285, 14707), (1337, 14135), (1799, 10505), (2101, 8995), (2827, 6685)]