19767879

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1$

素因数の和:184

約数の個数: 48

約数和(自身を含む): 32011200

約数和(自身を除く): 12243321

約数列:

[1, 3, 9, 23, 29, 37, 69, 87, 89, 111, 207, 261, 267, 333, 667, 801, 851, 1073, 2001, 2047, 2553, 2581, 3219, 3293, 6003, 6141, 7659, 7743, 9657, 9879, 18423, 23229, 24679, 29637, 59363, 74037, 75739, 95497, 178089, 222111, 227217, 286491, 534267, 681651, 859473, 2196431, 6589293, 19767879]

約数ペア:

[(1, 19767879), (3, 6589293), (9, 2196431), (23, 859473), (29, 681651), (37, 534267), (69, 286491), (87, 227217), (89, 222111), (111, 178089), (207, 95497), (261, 75739), (267, 74037), (333, 59363), (667, 29637), (801, 24679), (851, 23229), (1073, 18423), (2001, 9879), (2047, 9657), (2553, 7743), (2581, 7659), (3219, 6141), (3293, 6003)]