18980491764

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{26723}}^1$

素因数の和:26929

約数の個数: 96

約数和(自身を含む): 49655329920

約数和(自身を除く): 30674838156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 29, 39, 52, 58, 78, 87, 116, 156, 157, 174, 314, 348, 377, 471, 628, 754, 942, 1131, 1508, 1884, 2041, 2262, 4082, 4524, 4553, 6123, 8164, 9106, 12246, 13659, 18212, 24492, 26723, 27318, 53446, 54636, 59189, 80169, 106892, 118378, 160338, 177567, 236756, 320676, 347399, 355134, 694798, 710268, 774967, 1042197, 1389596, 1549934, 2084394, 2324901, 3099868, 4168788, 4195511, 4649802, 8391022, 9299604, 10074571, 12586533, 16782044, 20149142, 25173066, 30223713, 40298284, 50346132, 54541643, 60447426, 109083286, 120894852, 121669819, 163624929, 218166572, 243339638, 327249858, 365009457, 486679276, 654499716, 730018914, 1460037828, 1581707647, 3163415294, 4745122941, 6326830588, 9490245882, 18980491764]

約数ペア:

[(1, 18980491764), (2, 9490245882), (3, 6326830588), (4, 4745122941), (6, 3163415294), (12, 1581707647), (13, 1460037828), (26, 730018914), (29, 654499716), (39, 486679276), (52, 365009457), (58, 327249858), (78, 243339638), (87, 218166572), (116, 163624929), (156, 121669819), (157, 120894852), (174, 109083286), (314, 60447426), (348, 54541643), (377, 50346132), (471, 40298284), (628, 30223713), (754, 25173066), (942, 20149142), (1131, 16782044), (1508, 12586533), (1884, 10074571), (2041, 9299604), (2262, 8391022), (4082, 4649802), (4524, 4195511), (4553, 4168788), (6123, 3099868), (8164, 2324901), (9106, 2084394), (12246, 1549934), (13659, 1389596), (18212, 1042197), (24492, 774967), (26723, 710268), (27318, 694798), (53446, 355134), (54636, 347399), (59189, 320676), (80169, 236756), (106892, 177567), (118378, 160338)]