18438550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1493}}^1$

素因数の和:1537

約数の個数: 48

約数和(自身を含む): 38903760

約数和(自身を除く): 20465210

約数列:

[1, 2, 5, 10, 13, 19, 25, 26, 38, 50, 65, 95, 130, 190, 247, 325, 475, 494, 650, 950, 1235, 1493, 2470, 2986, 6175, 7465, 12350, 14930, 19409, 28367, 37325, 38818, 56734, 74650, 97045, 141835, 194090, 283670, 368771, 485225, 709175, 737542, 970450, 1418350, 1843855, 3687710, 9219275, 18438550]

約数ペア:

[(1, 18438550), (2, 9219275), (5, 3687710), (10, 1843855), (13, 1418350), (19, 970450), (25, 737542), (26, 709175), (38, 485225), (50, 368771), (65, 283670), (95, 194090), (130, 141835), (190, 97045), (247, 74650), (325, 56734), (475, 38818), (494, 37325), (650, 28367), (950, 19409), (1235, 14930), (1493, 12350), (2470, 7465), (2986, 6175)]