18739908

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1279}}^1$

素因数の和:1337

約数の個数: 72

約数和(自身を含む): 53114880

約数和(自身を除く): 34374972

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 33, 36, 37, 44, 66, 74, 99, 111, 132, 148, 198, 222, 333, 396, 407, 444, 666, 814, 1221, 1279, 1332, 1628, 2442, 2558, 3663, 3837, 4884, 5116, 7326, 7674, 11511, 14069, 14652, 15348, 23022, 28138, 42207, 46044, 47323, 56276, 84414, 94646, 126621, 141969, 168828, 189292, 253242, 283938, 425907, 506484, 520553, 567876, 851814, 1041106, 1561659, 1703628, 2082212, 3123318, 4684977, 6246636, 9369954, 18739908]

約数ペア:

[(1, 18739908), (2, 9369954), (3, 6246636), (4, 4684977), (6, 3123318), (9, 2082212), (11, 1703628), (12, 1561659), (18, 1041106), (22, 851814), (33, 567876), (36, 520553), (37, 506484), (44, 425907), (66, 283938), (74, 253242), (99, 189292), (111, 168828), (132, 141969), (148, 126621), (198, 94646), (222, 84414), (333, 56276), (396, 47323), (407, 46044), (444, 42207), (666, 28138), (814, 23022), (1221, 15348), (1279, 14652), (1332, 14069), (1628, 11511), (2442, 7674), (2558, 7326), (3663, 5116), (3837, 4884)]