19788498

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{227}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 44815680

約数和(自身を除く): 25027182

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 167, 174, 227, 261, 334, 454, 501, 522, 681, 1002, 1362, 1503, 2043, 3006, 4086, 4843, 6583, 9686, 13166, 14529, 19749, 29058, 37909, 39498, 43587, 59247, 75818, 87174, 113727, 118494, 227454, 341181, 682362, 1099361, 2198722, 3298083, 6596166, 9894249, 19788498]

約数ペア:

[(1, 19788498), (2, 9894249), (3, 6596166), (6, 3298083), (9, 2198722), (18, 1099361), (29, 682362), (58, 341181), (87, 227454), (167, 118494), (174, 113727), (227, 87174), (261, 75818), (334, 59247), (454, 43587), (501, 39498), (522, 37909), (681, 29058), (1002, 19749), (1362, 14529), (1503, 13166), (2043, 9686), (3006, 6583), (4086, 4843)]