19771076

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1$

素因数の和:372

約数の個数: 48

約数和(自身を含む): 39664128

約数和(自身を除く): 19893052

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 61, 92, 122, 244, 271, 299, 542, 598, 793, 1084, 1196, 1403, 1586, 2806, 3172, 3523, 5612, 6233, 7046, 12466, 14092, 16531, 18239, 24932, 33062, 36478, 66124, 72956, 81029, 162058, 214903, 324116, 380213, 429806, 760426, 859612, 1520852, 4942769, 9885538, 19771076]

約数ペア:

[(1, 19771076), (2, 9885538), (4, 4942769), (13, 1520852), (23, 859612), (26, 760426), (46, 429806), (52, 380213), (61, 324116), (92, 214903), (122, 162058), (244, 81029), (271, 72956), (299, 66124), (542, 36478), (598, 33062), (793, 24932), (1084, 18239), (1196, 16531), (1403, 14092), (1586, 12466), (2806, 7046), (3172, 6233), (3523, 5612)]