19795456

素因数分解:

$2^9\times {\mathrm{23}}^1\times {\mathrm{41}}^2$

素因数の和:123

約数の個数: 60

約数和(自身を含む): 42303096

約数和(自身を除く): 22507640

約数列:

[1, 2, 4, 8, 16, 23, 32, 41, 46, 64, 82, 92, 128, 164, 184, 256, 328, 368, 512, 656, 736, 943, 1312, 1472, 1681, 1886, 2624, 2944, 3362, 3772, 5248, 5888, 6724, 7544, 10496, 11776, 13448, 15088, 20992, 26896, 30176, 38663, 53792, 60352, 77326, 107584, 120704, 154652, 215168, 241408, 309304, 430336, 482816, 618608, 860672, 1237216, 2474432, 4948864, 9897728, 19795456]

約数ペア:

[(1, 19795456), (2, 9897728), (4, 4948864), (8, 2474432), (16, 1237216), (23, 860672), (32, 618608), (41, 482816), (46, 430336), (64, 309304), (82, 241408), (92, 215168), (128, 154652), (164, 120704), (184, 107584), (256, 77326), (328, 60352), (368, 53792), (512, 38663), (656, 30176), (736, 26896), (943, 20992), (1312, 15088), (1472, 13448), (1681, 11776), (1886, 10496), (2624, 7544), (2944, 6724), (3362, 5888), (3772, 5248)]