19770272

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{11657}}^1$

素因数の和:11720

約数の個数: 24

約数和(自身を含む): 39660516

約数和(自身を除く): 19890244

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 11657, 23314, 46628, 93256, 186512, 373024, 617821, 1235642, 2471284, 4942568, 9885136, 19770272]

約数ペア:

[(1, 19770272), (2, 9885136), (4, 4942568), (8, 2471284), (16, 1235642), (32, 617821), (53, 373024), (106, 186512), (212, 93256), (424, 46628), (848, 23314), (1696, 11657)]