19085118

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1$

素因数の和:461

約数の個数: 64

約数和(自身を含む): 44815680

約数和(自身を除く): 25730562

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 37, 39, 51, 74, 78, 102, 111, 221, 222, 389, 442, 481, 629, 663, 778, 962, 1167, 1258, 1326, 1443, 1887, 2334, 2886, 3774, 5057, 6613, 8177, 10114, 13226, 14393, 15171, 16354, 19839, 24531, 28786, 30342, 39678, 43179, 49062, 85969, 86358, 171938, 187109, 244681, 257907, 374218, 489362, 515814, 561327, 734043, 1122654, 1468086, 3180853, 6361706, 9542559, 19085118]

約数ペア:

[(1, 19085118), (2, 9542559), (3, 6361706), (6, 3180853), (13, 1468086), (17, 1122654), (26, 734043), (34, 561327), (37, 515814), (39, 489362), (51, 374218), (74, 257907), (78, 244681), (102, 187109), (111, 171938), (221, 86358), (222, 85969), (389, 49062), (442, 43179), (481, 39678), (629, 30342), (663, 28786), (778, 24531), (962, 19839), (1167, 16354), (1258, 15171), (1326, 14393), (1443, 13226), (1887, 10114), (2334, 8177), (2886, 6613), (3774, 5057)]