18754845

素因数分解:

$3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{761}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 31601664

約数和(自身を除く): 12846819

約数列:

[1, 3, 5, 15, 31, 53, 93, 155, 159, 265, 465, 761, 795, 1643, 2283, 3805, 4929, 8215, 11415, 23591, 24645, 40333, 70773, 117955, 120999, 201665, 353865, 604995, 1250323, 3750969, 6251615, 18754845]

約数ペア:

[(1, 18754845), (3, 6251615), (5, 3750969), (15, 1250323), (31, 604995), (53, 353865), (93, 201665), (155, 120999), (159, 117955), (265, 70773), (465, 40333), (761, 24645), (795, 23591), (1643, 11415), (2283, 8215), (3805, 4929)]