16019668

素因数分解:

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

素因数の和:149

約数の個数: 54

約数和(自身を含む): 34220634

約数和(自身を除く): 18200966

約数列:

[1, 2, 4, 7, 14, 28, 37, 47, 49, 74, 94, 98, 148, 188, 196, 259, 329, 518, 658, 1036, 1316, 1739, 1813, 2209, 2303, 3478, 3626, 4418, 4606, 6956, 7252, 8836, 9212, 12173, 15463, 24346, 30926, 48692, 61852, 81733, 85211, 108241, 163466, 170422, 216482, 326932, 340844, 432964, 572131, 1144262, 2288524, 4004917, 8009834, 16019668]

約数ペア:

[(1, 16019668), (2, 8009834), (4, 4004917), (7, 2288524), (14, 1144262), (28, 572131), (37, 432964), (47, 340844), (49, 326932), (74, 216482), (94, 170422), (98, 163466), (148, 108241), (188, 85211), (196, 81733), (259, 61852), (329, 48692), (518, 30926), (658, 24346), (1036, 15463), (1316, 12173), (1739, 9212), (1813, 8836), (2209, 7252), (2303, 6956), (3478, 4606), (3626, 4418)]