19565676

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{431}}^1$

素因数の和:551

約数の個数: 72

約数和(自身を含む): 53936064

約数和(自身を除く): 34370388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 97, 117, 156, 194, 234, 291, 388, 431, 468, 582, 862, 873, 1164, 1261, 1293, 1724, 1746, 2522, 2586, 3492, 3783, 3879, 5044, 5172, 5603, 7566, 7758, 11206, 11349, 15132, 15516, 16809, 22412, 22698, 33618, 41807, 45396, 50427, 67236, 83614, 100854, 125421, 167228, 201708, 250842, 376263, 501684, 543491, 752526, 1086982, 1505052, 1630473, 2173964, 3260946, 4891419, 6521892, 9782838, 19565676]

約数ペア:

[(1, 19565676), (2, 9782838), (3, 6521892), (4, 4891419), (6, 3260946), (9, 2173964), (12, 1630473), (13, 1505052), (18, 1086982), (26, 752526), (36, 543491), (39, 501684), (52, 376263), (78, 250842), (97, 201708), (117, 167228), (156, 125421), (194, 100854), (234, 83614), (291, 67236), (388, 50427), (431, 45396), (468, 41807), (582, 33618), (862, 22698), (873, 22412), (1164, 16809), (1261, 15516), (1293, 15132), (1724, 11349), (1746, 11206), (2522, 7758), (2586, 7566), (3492, 5603), (3783, 5172), (3879, 5044)]