18639790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{1129}}^1$

素因数の和:1276

約数の個数: 32

約数和(自身を含む): 36449280

約数和(自身を除く): 17809490

約数列:

[1, 2, 5, 10, 13, 26, 65, 127, 130, 254, 635, 1129, 1270, 1651, 2258, 3302, 5645, 8255, 11290, 14677, 16510, 29354, 73385, 143383, 146770, 286766, 716915, 1433830, 1863979, 3727958, 9319895, 18639790]

約数ペア:

[(1, 18639790), (2, 9319895), (5, 3727958), (10, 1863979), (13, 1433830), (26, 716915), (65, 286766), (127, 146770), (130, 143383), (254, 73385), (635, 29354), (1129, 16510), (1270, 14677), (1651, 11290), (2258, 8255), (3302, 5645)]