18772864

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:291

約数の個数: 64

約数和(自身を含む): 41616000

約数和(自身を除く): 22843136

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 67, 88, 128, 134, 176, 199, 268, 352, 398, 536, 704, 737, 796, 1072, 1408, 1474, 1592, 2144, 2189, 2948, 3184, 4288, 4378, 5896, 6368, 8576, 8756, 11792, 12736, 13333, 17512, 23584, 25472, 26666, 35024, 47168, 53332, 70048, 94336, 106664, 140096, 146663, 213328, 280192, 293326, 426656, 586652, 853312, 1173304, 1706624, 2346608, 4693216, 9386432, 18772864]

約数ペア:

[(1, 18772864), (2, 9386432), (4, 4693216), (8, 2346608), (11, 1706624), (16, 1173304), (22, 853312), (32, 586652), (44, 426656), (64, 293326), (67, 280192), (88, 213328), (128, 146663), (134, 140096), (176, 106664), (199, 94336), (268, 70048), (352, 53332), (398, 47168), (536, 35024), (704, 26666), (737, 25472), (796, 23584), (1072, 17512), (1408, 13333), (1474, 12736), (1592, 11792), (2144, 8756), (2189, 8576), (2948, 6368), (3184, 5896), (4288, 4378)]