19669364

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{251}}^1$

素因数の和:416

約数の個数: 48

約数和(自身を含む): 40896576

約数和(自身を除く): 21227212

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 137, 143, 251, 274, 286, 502, 548, 572, 1004, 1507, 1781, 2761, 3014, 3263, 3562, 5522, 6028, 6526, 7124, 11044, 13052, 19591, 34387, 35893, 39182, 68774, 71786, 78364, 137548, 143572, 378257, 447031, 756514, 894062, 1513028, 1788124, 4917341, 9834682, 19669364]

約数ペア:

[(1, 19669364), (2, 9834682), (4, 4917341), (11, 1788124), (13, 1513028), (22, 894062), (26, 756514), (44, 447031), (52, 378257), (137, 143572), (143, 137548), (251, 78364), (274, 71786), (286, 68774), (502, 39182), (548, 35893), (572, 34387), (1004, 19591), (1507, 13052), (1781, 11044), (2761, 7124), (3014, 6526), (3263, 6028), (3562, 5522)]