19626704

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{1223}}^1$

素因数の和:1307

約数の個数: 40

約数和(自身を含む): 40979520

約数和(自身を除く): 21352816

約数列:

[1, 2, 4, 8, 16, 17, 34, 59, 68, 118, 136, 236, 272, 472, 944, 1003, 1223, 2006, 2446, 4012, 4892, 8024, 9784, 16048, 19568, 20791, 41582, 72157, 83164, 144314, 166328, 288628, 332656, 577256, 1154512, 1226669, 2453338, 4906676, 9813352, 19626704]

約数ペア:

[(1, 19626704), (2, 9813352), (4, 4906676), (8, 2453338), (16, 1226669), (17, 1154512), (34, 577256), (59, 332656), (68, 288628), (118, 166328), (136, 144314), (236, 83164), (272, 72157), (472, 41582), (944, 20791), (1003, 19568), (1223, 16048), (2006, 9784), (2446, 8024), (4012, 4892)]