18840804965

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1\times {\mathrm{1097}}^1$

素因数の和:1326

約数の個数: 64

約数和(自身を含む): 25378873344

約数和(自身を除く): 6538068379

約数列:

[1, 5, 17, 37, 43, 85, 127, 185, 215, 629, 635, 731, 1097, 1591, 2159, 3145, 3655, 4699, 5461, 5485, 7955, 10795, 18649, 23495, 27047, 27305, 40589, 47171, 79883, 92837, 93245, 135235, 139319, 202057, 202945, 235855, 399415, 464185, 690013, 696595, 801907, 1010285, 1745327, 2368423, 3434969, 3450065, 4009535, 5154803, 5990717, 8726635, 11842115, 17174845, 25774015, 29670559, 29953585, 87631651, 101842189, 148352795, 221656529, 438158255, 509210945, 1108282645, 3768160993, 18840804965]

約数ペア:

[(1, 18840804965), (5, 3768160993), (17, 1108282645), (37, 509210945), (43, 438158255), (85, 221656529), (127, 148352795), (185, 101842189), (215, 87631651), (629, 29953585), (635, 29670559), (731, 25774015), (1097, 17174845), (1591, 11842115), (2159, 8726635), (3145, 5990717), (3655, 5154803), (4699, 4009535), (5461, 3450065), (5485, 3434969), (7955, 2368423), (10795, 1745327), (18649, 1010285), (23495, 801907), (27047, 696595), (27305, 690013), (40589, 464185), (47171, 399415), (79883, 235855), (92837, 202945), (93245, 202057), (135235, 139319)]