19984614

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{1481}}^1$

素因数の和:1672

約数の個数: 32

約数和(自身を含む): 43321824

約数和(自身を除く): 23337210

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 173, 346, 519, 1038, 1481, 2249, 2962, 4443, 4498, 6747, 8886, 13494, 19253, 38506, 57759, 115518, 256213, 512426, 768639, 1537278, 3330769, 6661538, 9992307, 19984614]

約数ペア:

[(1, 19984614), (2, 9992307), (3, 6661538), (6, 3330769), (13, 1537278), (26, 768639), (39, 512426), (78, 256213), (173, 115518), (346, 57759), (519, 38506), (1038, 19253), (1481, 13494), (2249, 8886), (2962, 6747), (4443, 4498)]