18423616

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:279

約数の個数: 56

約数和(自身を含む): 39116000

約数和(自身を除く): 20692384

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 109, 139, 152, 218, 278, 304, 436, 556, 608, 872, 1112, 1216, 1744, 2071, 2224, 2641, 3488, 4142, 4448, 5282, 6976, 8284, 8896, 10564, 15151, 16568, 21128, 30302, 33136, 42256, 60604, 66272, 84512, 121208, 132544, 169024, 242416, 287869, 484832, 575738, 969664, 1151476, 2302952, 4605904, 9211808, 18423616]

約数ペア:

[(1, 18423616), (2, 9211808), (4, 4605904), (8, 2302952), (16, 1151476), (19, 969664), (32, 575738), (38, 484832), (64, 287869), (76, 242416), (109, 169024), (139, 132544), (152, 121208), (218, 84512), (278, 66272), (304, 60604), (436, 42256), (556, 33136), (608, 30302), (872, 21128), (1112, 16568), (1216, 15151), (1744, 10564), (2071, 8896), (2224, 8284), (2641, 6976), (3488, 5282), (4142, 4448)]