19513384

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:382

約数の個数: 64

約数和(自身を含む): 43130880

約数和(自身を除く): 23617496

約数列:

[1, 2, 4, 8, 11, 22, 23, 31, 44, 46, 62, 88, 92, 124, 184, 248, 253, 311, 341, 506, 622, 682, 713, 1012, 1244, 1364, 1426, 2024, 2488, 2728, 2852, 3421, 5704, 6842, 7153, 7843, 9641, 13684, 14306, 15686, 19282, 27368, 28612, 31372, 38564, 57224, 62744, 77128, 78683, 106051, 157366, 212102, 221743, 314732, 424204, 443486, 629464, 848408, 886972, 1773944, 2439173, 4878346, 9756692, 19513384]

約数ペア:

[(1, 19513384), (2, 9756692), (4, 4878346), (8, 2439173), (11, 1773944), (22, 886972), (23, 848408), (31, 629464), (44, 443486), (46, 424204), (62, 314732), (88, 221743), (92, 212102), (124, 157366), (184, 106051), (248, 78683), (253, 77128), (311, 62744), (341, 57224), (506, 38564), (622, 31372), (682, 28612), (713, 27368), (1012, 19282), (1244, 15686), (1364, 14306), (1426, 13684), (2024, 9641), (2488, 7843), (2728, 7153), (2852, 6842), (3421, 5704)]