19558144

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{4021}}^1$

素因数の和:4056

約数の個数: 36

約数和(自身を含む): 41104840

約数和(自身を除く): 21546696

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 608, 1216, 2432, 4021, 4864, 8042, 16084, 32168, 64336, 76399, 128672, 152798, 257344, 305596, 514688, 611192, 1029376, 1222384, 2444768, 4889536, 9779072, 19558144]

約数ペア:

[(1, 19558144), (2, 9779072), (4, 4889536), (8, 2444768), (16, 1222384), (19, 1029376), (32, 611192), (38, 514688), (64, 305596), (76, 257344), (128, 152798), (152, 128672), (256, 76399), (304, 64336), (608, 32168), (1216, 16084), (2432, 8042), (4021, 4864)]