19467344

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{541}}^1$

素因数の和:735

約数の個数: 40

約数和(自身を含む): 40929672

約数和(自身を除く): 21462328

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 173, 208, 346, 541, 692, 1082, 1384, 2164, 2249, 2768, 4328, 4498, 7033, 8656, 8996, 14066, 17992, 28132, 35984, 56264, 93593, 112528, 187186, 374372, 748744, 1216709, 1497488, 2433418, 4866836, 9733672, 19467344]

約数ペア:

[(1, 19467344), (2, 9733672), (4, 4866836), (8, 2433418), (13, 1497488), (16, 1216709), (26, 748744), (52, 374372), (104, 187186), (173, 112528), (208, 93593), (346, 56264), (541, 35984), (692, 28132), (1082, 17992), (1384, 14066), (2164, 8996), (2249, 8656), (2768, 7033), (4328, 4498)]