18469444

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{233}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 39312000

約数和(自身を除く): 20842556

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 149, 233, 266, 298, 466, 532, 596, 932, 1043, 1631, 2086, 2831, 3262, 4172, 4427, 5662, 6524, 8854, 11324, 17708, 19817, 30989, 34717, 39634, 61978, 69434, 79268, 123956, 138868, 243019, 486038, 659623, 972076, 1319246, 2638492, 4617361, 9234722, 18469444]

約数ペア:

[(1, 18469444), (2, 9234722), (4, 4617361), (7, 2638492), (14, 1319246), (19, 972076), (28, 659623), (38, 486038), (76, 243019), (133, 138868), (149, 123956), (233, 79268), (266, 69434), (298, 61978), (466, 39634), (532, 34717), (596, 30989), (932, 19817), (1043, 17708), (1631, 11324), (2086, 8854), (2831, 6524), (3262, 5662), (4172, 4427)]