18910310

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{61001}}^1$

素因数の和:61039

約数の個数: 16

約数和(自身を含む): 35137152

約数和(自身を除く): 16226842

約数列:

[1, 2, 5, 10, 31, 62, 155, 310, 61001, 122002, 305005, 610010, 1891031, 3782062, 9455155, 18910310]

約数ペア:

[(1, 18910310), (2, 9455155), (5, 3782062), (10, 1891031), (31, 610010), (62, 305005), (155, 122002), (310, 61001)]