16993508

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{349}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 35750400

約数和(自身を除く): 18756892

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 74, 94, 148, 188, 259, 329, 349, 518, 658, 698, 1036, 1316, 1396, 1739, 2443, 3478, 4886, 6956, 9772, 12173, 12913, 16403, 24346, 25826, 32806, 48692, 51652, 65612, 90391, 114821, 180782, 229642, 361564, 459284, 606911, 1213822, 2427644, 4248377, 8496754, 16993508]

約数ペア:

[(1, 16993508), (2, 8496754), (4, 4248377), (7, 2427644), (14, 1213822), (28, 606911), (37, 459284), (47, 361564), (74, 229642), (94, 180782), (148, 114821), (188, 90391), (259, 65612), (329, 51652), (349, 48692), (518, 32806), (658, 25826), (698, 24346), (1036, 16403), (1316, 12913), (1396, 12173), (1739, 9772), (2443, 6956), (3478, 4886)]