19353856

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{173}}^1$

素因数の和:231

約数の個数: 72

約数和(自身を含む): 42678720

約数和(自身を除く): 23324864

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 64, 76, 92, 128, 152, 173, 184, 256, 304, 346, 368, 437, 608, 692, 736, 874, 1216, 1384, 1472, 1748, 2432, 2768, 2944, 3287, 3496, 3979, 4864, 5536, 5888, 6574, 6992, 7958, 11072, 13148, 13984, 15916, 22144, 26296, 27968, 31832, 44288, 52592, 55936, 63664, 75601, 105184, 111872, 127328, 151202, 210368, 254656, 302404, 420736, 509312, 604808, 841472, 1018624, 1209616, 2419232, 4838464, 9676928, 19353856]

約数ペア:

[(1, 19353856), (2, 9676928), (4, 4838464), (8, 2419232), (16, 1209616), (19, 1018624), (23, 841472), (32, 604808), (38, 509312), (46, 420736), (64, 302404), (76, 254656), (92, 210368), (128, 151202), (152, 127328), (173, 111872), (184, 105184), (256, 75601), (304, 63664), (346, 55936), (368, 52592), (437, 44288), (608, 31832), (692, 27968), (736, 26296), (874, 22144), (1216, 15916), (1384, 13984), (1472, 13148), (1748, 11072), (2432, 7958), (2768, 6992), (2944, 6574), (3287, 5888), (3496, 5536), (3979, 4864)]