19371404

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{197}}^1$

素因数の和:306

約数の個数: 48

約数和(自身を含む): 38497536

約数和(自身を除く): 19126132

約数列:

[1, 2, 4, 13, 26, 31, 52, 61, 62, 122, 124, 197, 244, 394, 403, 788, 793, 806, 1586, 1612, 1891, 2561, 3172, 3782, 5122, 6107, 7564, 10244, 12017, 12214, 24034, 24428, 24583, 48068, 49166, 79391, 98332, 156221, 158782, 312442, 317564, 372527, 624884, 745054, 1490108, 4842851, 9685702, 19371404]

約数ペア:

[(1, 19371404), (2, 9685702), (4, 4842851), (13, 1490108), (26, 745054), (31, 624884), (52, 372527), (61, 317564), (62, 312442), (122, 158782), (124, 156221), (197, 98332), (244, 79391), (394, 49166), (403, 48068), (788, 24583), (793, 24428), (806, 24034), (1586, 12214), (1612, 12017), (1891, 10244), (2561, 7564), (3172, 6107), (3782, 5122)]