19491554559

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{691}}^1\times {\mathrm{3643}}^1$

素因数の和:4455

約数の個数: 32

約数和(自身を含む): 27233798400

約数和(自身を除く): 7742243841

約数列:

[1, 3, 29, 87, 89, 267, 691, 2073, 2581, 3643, 7743, 10929, 20039, 60117, 61499, 105647, 184497, 316941, 324227, 972681, 1783471, 2517313, 5350413, 7551939, 9402583, 28207749, 73002077, 219006231, 224040857, 672122571, 6497184853, 19491554559]

約数ペア:

[(1, 19491554559), (3, 6497184853), (29, 672122571), (87, 224040857), (89, 219006231), (267, 73002077), (691, 28207749), (2073, 9402583), (2581, 7551939), (3643, 5350413), (7743, 2517313), (10929, 1783471), (20039, 972681), (60117, 324227), (61499, 316941), (105647, 184497)]