19790218

素因数分解:

$2^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{2269}}^1$

素因数の和:2374

約数の個数: 24

約数和(自身を含む): 34935300

約数和(自身を除く): 15145082

約数列:

[1, 2, 7, 14, 49, 89, 98, 178, 623, 1246, 2269, 4361, 4538, 8722, 15883, 31766, 111181, 201941, 222362, 403882, 1413587, 2827174, 9895109, 19790218]

約数ペア:

[(1, 19790218), (2, 9895109), (7, 2827174), (14, 1413587), (49, 403882), (89, 222362), (98, 201941), (178, 111181), (623, 31766), (1246, 15883), (2269, 8722), (4361, 4538)]