19901424

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^3$

素因数の和:115

約数の個数: 80

約数和(自身を含む): 56380320

約数和(自身を除く): 36478896

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 29, 34, 48, 51, 58, 68, 87, 102, 116, 136, 174, 204, 232, 272, 348, 408, 464, 493, 696, 816, 841, 986, 1392, 1479, 1682, 1972, 2523, 2958, 3364, 3944, 5046, 5916, 6728, 7888, 10092, 11832, 13456, 14297, 20184, 23664, 24389, 28594, 40368, 42891, 48778, 57188, 73167, 85782, 97556, 114376, 146334, 171564, 195112, 228752, 292668, 343128, 390224, 414613, 585336, 686256, 829226, 1170672, 1243839, 1658452, 2487678, 3316904, 4975356, 6633808, 9950712, 19901424]

約数ペア:

[(1, 19901424), (2, 9950712), (3, 6633808), (4, 4975356), (6, 3316904), (8, 2487678), (12, 1658452), (16, 1243839), (17, 1170672), (24, 829226), (29, 686256), (34, 585336), (48, 414613), (51, 390224), (58, 343128), (68, 292668), (87, 228752), (102, 195112), (116, 171564), (136, 146334), (174, 114376), (204, 97556), (232, 85782), (272, 73167), (348, 57188), (408, 48778), (464, 42891), (493, 40368), (696, 28594), (816, 24389), (841, 23664), (986, 20184), (1392, 14297), (1479, 13456), (1682, 11832), (1972, 10092), (2523, 7888), (2958, 6728), (3364, 5916), (3944, 5046)]