16918956

素因数分解:

$2^2\times 3^4\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:756

約数の個数: 60

約数和(自身を含む): 44857120

約数和(自身を除く): 27938164

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 79, 81, 108, 158, 162, 237, 316, 324, 474, 661, 711, 948, 1322, 1422, 1983, 2133, 2644, 2844, 3966, 4266, 5949, 6399, 7932, 8532, 11898, 12798, 17847, 23796, 25596, 35694, 52219, 53541, 71388, 104438, 107082, 156657, 208876, 214164, 313314, 469971, 626628, 939942, 1409913, 1879884, 2819826, 4229739, 5639652, 8459478, 16918956]

約数ペア:

[(1, 16918956), (2, 8459478), (3, 5639652), (4, 4229739), (6, 2819826), (9, 1879884), (12, 1409913), (18, 939942), (27, 626628), (36, 469971), (54, 313314), (79, 214164), (81, 208876), (108, 156657), (158, 107082), (162, 104438), (237, 71388), (316, 53541), (324, 52219), (474, 35694), (661, 25596), (711, 23796), (948, 17847), (1322, 12798), (1422, 11898), (1983, 8532), (2133, 7932), (2644, 6399), (2844, 5949), (3966, 4266)]