19154944

素因数分解:

$2^{11}\times {\mathrm{47}}^1\times {\mathrm{199}}^1$

素因数の和:268

約数の個数: 48

約数和(自身を含む): 39312000

約数和(自身を除く): 20157056

約数列:

[1, 2, 4, 8, 16, 32, 47, 64, 94, 128, 188, 199, 256, 376, 398, 512, 752, 796, 1024, 1504, 1592, 2048, 3008, 3184, 6016, 6368, 9353, 12032, 12736, 18706, 24064, 25472, 37412, 48128, 50944, 74824, 96256, 101888, 149648, 203776, 299296, 407552, 598592, 1197184, 2394368, 4788736, 9577472, 19154944]

約数ペア:

[(1, 19154944), (2, 9577472), (4, 4788736), (8, 2394368), (16, 1197184), (32, 598592), (47, 407552), (64, 299296), (94, 203776), (128, 149648), (188, 101888), (199, 96256), (256, 74824), (376, 50944), (398, 48128), (512, 37412), (752, 25472), (796, 24064), (1024, 18706), (1504, 12736), (1592, 12032), (2048, 9353), (3008, 6368), (3184, 6016)]