19465642

素因数分解:

$2^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{647}}^1$

素因数の和:970

約数の個数: 24

約数和(自身を含む): 34128864

約数和(自身を除く): 14663222

約数列:

[1, 2, 7, 14, 49, 98, 307, 614, 647, 1294, 2149, 4298, 4529, 9058, 15043, 30086, 31703, 63406, 198629, 397258, 1390403, 2780806, 9732821, 19465642]

約数ペア:

[(1, 19465642), (2, 9732821), (7, 2780806), (14, 1390403), (49, 397258), (98, 198629), (307, 63406), (614, 31703), (647, 30086), (1294, 15043), (2149, 9058), (4298, 4529)]