19007930864

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{757}}^1\times {\mathrm{1979}}^1$

素因数の和:2818

約数の個数: 80

約数和(自身を含む): 40384602720

約数和(自身を除く): 21376671856

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 757, 793, 976, 1514, 1586, 1979, 3028, 3172, 3958, 6056, 6344, 7916, 9841, 12112, 12688, 15832, 19682, 25727, 31664, 39364, 46177, 51454, 78728, 92354, 102908, 120719, 157456, 184708, 205816, 241438, 369416, 411632, 482876, 600301, 738832, 965752, 1200602, 1498103, 1569347, 1931504, 2401204, 2996206, 3138694, 4802408, 5992412, 6277388, 9604816, 11984824, 12554776, 19475339, 23969648, 25109552, 38950678, 77901356, 91384283, 155802712, 182768566, 311605424, 365537132, 731074264, 1187995679, 1462148528, 2375991358, 4751982716, 9503965432, 19007930864]

約数ペア:

[(1, 19007930864), (2, 9503965432), (4, 4751982716), (8, 2375991358), (13, 1462148528), (16, 1187995679), (26, 731074264), (52, 365537132), (61, 311605424), (104, 182768566), (122, 155802712), (208, 91384283), (244, 77901356), (488, 38950678), (757, 25109552), (793, 23969648), (976, 19475339), (1514, 12554776), (1586, 11984824), (1979, 9604816), (3028, 6277388), (3172, 5992412), (3958, 4802408), (6056, 3138694), (6344, 2996206), (7916, 2401204), (9841, 1931504), (12112, 1569347), (12688, 1498103), (15832, 1200602), (19682, 965752), (25727, 738832), (31664, 600301), (39364, 482876), (46177, 411632), (51454, 369416), (78728, 241438), (92354, 205816), (102908, 184708), (120719, 157456)]