17906816

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{199}}^1$

素因数の和:269

約数の個数: 64

約数和(自身を含む): 38760000

約数和(自身を除く): 20853184

約数列:

[1, 2, 4, 8, 16, 19, 32, 37, 38, 64, 74, 76, 128, 148, 152, 199, 296, 304, 398, 592, 608, 703, 796, 1184, 1216, 1406, 1592, 2368, 2432, 2812, 3184, 3781, 4736, 5624, 6368, 7363, 7562, 11248, 12736, 14726, 15124, 22496, 25472, 29452, 30248, 44992, 58904, 60496, 89984, 117808, 120992, 139897, 235616, 241984, 279794, 471232, 483968, 559588, 942464, 1119176, 2238352, 4476704, 8953408, 17906816]

約数ペア:

[(1, 17906816), (2, 8953408), (4, 4476704), (8, 2238352), (16, 1119176), (19, 942464), (32, 559588), (37, 483968), (38, 471232), (64, 279794), (74, 241984), (76, 235616), (128, 139897), (148, 120992), (152, 117808), (199, 89984), (296, 60496), (304, 58904), (398, 44992), (592, 30248), (608, 29452), (703, 25472), (796, 22496), (1184, 15124), (1216, 14726), (1406, 12736), (1592, 11248), (2368, 7562), (2432, 7363), (2812, 6368), (3184, 5624), (3781, 4736)]