18829509561

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{260317}}^1$

素因数の和:260395

約数の個数: 40

約数和(自身を含む): 30238538880

約数和(自身を除く): 11409029319

約数列:

[1, 3, 9, 19, 27, 47, 57, 81, 141, 171, 423, 513, 893, 1269, 1539, 2679, 3807, 8037, 24111, 72333, 260317, 780951, 2342853, 4946023, 7028559, 12234899, 14838069, 21085677, 36704697, 44514207, 110114091, 133542621, 232463081, 330342273, 400627863, 697389243, 991026819, 2092167729, 6276503187, 18829509561]

約数ペア:

[(1, 18829509561), (3, 6276503187), (9, 2092167729), (19, 991026819), (27, 697389243), (47, 400627863), (57, 330342273), (81, 232463081), (141, 133542621), (171, 110114091), (423, 44514207), (513, 36704697), (893, 21085677), (1269, 14838069), (1539, 12234899), (2679, 7028559), (3807, 4946023), (8037, 2342853), (24111, 780951), (72333, 260317)]