19787868

素因数分解:

$2^2\times 3^3\times {\mathrm{53}}^1\times {\mathrm{3457}}^1$

素因数の和:3523

約数の個数: 48

約数和(自身を含む): 52284960

約数和(自身を除く): 32497092

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 53, 54, 106, 108, 159, 212, 318, 477, 636, 954, 1431, 1908, 2862, 3457, 5724, 6914, 10371, 13828, 20742, 31113, 41484, 62226, 93339, 124452, 183221, 186678, 366442, 373356, 549663, 732884, 1099326, 1648989, 2198652, 3297978, 4946967, 6595956, 9893934, 19787868]

約数ペア:

[(1, 19787868), (2, 9893934), (3, 6595956), (4, 4946967), (6, 3297978), (9, 2198652), (12, 1648989), (18, 1099326), (27, 732884), (36, 549663), (53, 373356), (54, 366442), (106, 186678), (108, 183221), (159, 124452), (212, 93339), (318, 62226), (477, 41484), (636, 31113), (954, 20742), (1431, 13828), (1908, 10371), (2862, 6914), (3457, 5724)]