19651554

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{613}}^1$

素因数の和:771

約数の個数: 48

約数和(自身を含む): 46263672

約数和(自身を除く): 26612118

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 137, 234, 274, 411, 613, 822, 1226, 1233, 1781, 1839, 2466, 3562, 3678, 5343, 5517, 7969, 10686, 11034, 15938, 16029, 23907, 32058, 47814, 71721, 83981, 143442, 167962, 251943, 503886, 755829, 1091753, 1511658, 2183506, 3275259, 6550518, 9825777, 19651554]

約数ペア:

[(1, 19651554), (2, 9825777), (3, 6550518), (6, 3275259), (9, 2183506), (13, 1511658), (18, 1091753), (26, 755829), (39, 503886), (78, 251943), (117, 167962), (137, 143442), (234, 83981), (274, 71721), (411, 47814), (613, 32058), (822, 23907), (1226, 16029), (1233, 15938), (1781, 11034), (1839, 10686), (2466, 7969), (3562, 5517), (3678, 5343)]