16897460

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{839}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 38102400

約数和(自身を除く): 21204940

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 53, 76, 95, 106, 190, 212, 265, 380, 530, 839, 1007, 1060, 1678, 2014, 3356, 4028, 4195, 5035, 8390, 10070, 15941, 16780, 20140, 31882, 44467, 63764, 79705, 88934, 159410, 177868, 222335, 318820, 444670, 844873, 889340, 1689746, 3379492, 4224365, 8448730, 16897460]

約数ペア:

[(1, 16897460), (2, 8448730), (4, 4224365), (5, 3379492), (10, 1689746), (19, 889340), (20, 844873), (38, 444670), (53, 318820), (76, 222335), (95, 177868), (106, 159410), (190, 88934), (212, 79705), (265, 63764), (380, 44467), (530, 31882), (839, 20140), (1007, 16780), (1060, 15941), (1678, 10070), (2014, 8390), (3356, 5035), (4028, 4195)]