17921104

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1$

素因数の和:547

約数の個数: 40

約数和(自身を含む): 36872640

約数和(自身を除く): 18951536

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 167, 304, 334, 353, 668, 706, 1336, 1412, 2672, 2824, 3173, 5648, 6346, 6707, 12692, 13414, 25384, 26828, 50768, 53656, 58951, 107312, 117902, 235804, 471608, 943216, 1120069, 2240138, 4480276, 8960552, 17921104]

約数ペア:

[(1, 17921104), (2, 8960552), (4, 4480276), (8, 2240138), (16, 1120069), (19, 943216), (38, 471608), (76, 235804), (152, 117902), (167, 107312), (304, 58951), (334, 53656), (353, 50768), (668, 26828), (706, 25384), (1336, 13414), (1412, 12692), (2672, 6707), (2824, 6346), (3173, 5648)]