18781412

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:300

約数の個数: 48

約数和(自身を含む): 37330944

約数和(自身を除く): 18549532

約数列:

[1, 2, 4, 13, 26, 31, 52, 61, 62, 122, 124, 191, 244, 382, 403, 764, 793, 806, 1586, 1612, 1891, 2483, 3172, 3782, 4966, 5921, 7564, 9932, 11651, 11842, 23302, 23684, 24583, 46604, 49166, 76973, 98332, 151463, 153946, 302926, 307892, 361181, 605852, 722362, 1444724, 4695353, 9390706, 18781412]

約数ペア:

[(1, 18781412), (2, 9390706), (4, 4695353), (13, 1444724), (26, 722362), (31, 605852), (52, 361181), (61, 307892), (62, 302926), (122, 153946), (124, 151463), (191, 98332), (244, 76973), (382, 49166), (403, 46604), (764, 24583), (793, 23684), (806, 23302), (1586, 11842), (1612, 11651), (1891, 9932), (2483, 7564), (3172, 5921), (3782, 4966)]