18899835

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{541}}^1$

素因数の和:703

約数の個数: 32

約数和(自身を含む): 32311872

約数和(自身を除く): 13412037

約数列:

[1, 3, 5, 15, 17, 51, 85, 137, 255, 411, 541, 685, 1623, 2055, 2329, 2705, 6987, 8115, 9197, 11645, 27591, 34935, 45985, 74117, 137955, 222351, 370585, 1111755, 1259989, 3779967, 6299945, 18899835]

約数ペア:

[(1, 18899835), (3, 6299945), (5, 3779967), (15, 1259989), (17, 1111755), (51, 370585), (85, 222351), (137, 137955), (255, 74117), (411, 45985), (541, 34935), (685, 27591), (1623, 11645), (2055, 9197), (2329, 8115), (2705, 6987)]