18940822

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{457}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 32052672

約数和(自身を除く): 13111850

約数列:

[1, 2, 17, 23, 34, 46, 53, 106, 391, 457, 782, 901, 914, 1219, 1802, 2438, 7769, 10511, 15538, 20723, 21022, 24221, 41446, 48442, 178687, 357374, 411757, 557083, 823514, 1114166, 9470411, 18940822]

約数ペア:

[(1, 18940822), (2, 9470411), (17, 1114166), (23, 823514), (34, 557083), (46, 411757), (53, 357374), (106, 178687), (391, 48442), (457, 41446), (782, 24221), (901, 21022), (914, 20723), (1219, 15538), (1802, 10511), (2438, 7769)]