19594542

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 45139968

約数和(自身を除く): 25545426

約数列:

[1, 2, 3, 6, 11, 22, 31, 33, 61, 62, 66, 93, 122, 157, 183, 186, 314, 341, 366, 471, 671, 682, 942, 1023, 1342, 1727, 1891, 2013, 2046, 3454, 3782, 4026, 4867, 5181, 5673, 9577, 9734, 10362, 11346, 14601, 19154, 20801, 28731, 29202, 41602, 53537, 57462, 62403, 105347, 107074, 124806, 160611, 210694, 296887, 316041, 321222, 593774, 632082, 890661, 1781322, 3265757, 6531514, 9797271, 19594542]

約数ペア:

[(1, 19594542), (2, 9797271), (3, 6531514), (6, 3265757), (11, 1781322), (22, 890661), (31, 632082), (33, 593774), (61, 321222), (62, 316041), (66, 296887), (93, 210694), (122, 160611), (157, 124806), (183, 107074), (186, 105347), (314, 62403), (341, 57462), (366, 53537), (471, 41602), (671, 29202), (682, 28731), (942, 20801), (1023, 19154), (1342, 14601), (1727, 11346), (1891, 10362), (2013, 9734), (2046, 9577), (3454, 5673), (3782, 5181), (4026, 4867)]