18935550

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{29}}^1\times {\mathrm{1451}}^1$

素因数の和:1498

約数の個数: 72

約数和(自身を含む): 52664040

約数和(自身を除く): 33728490

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 45, 50, 58, 75, 87, 90, 145, 150, 174, 225, 261, 290, 435, 450, 522, 725, 870, 1305, 1450, 1451, 2175, 2610, 2902, 4350, 4353, 6525, 7255, 8706, 13050, 13059, 14510, 21765, 26118, 36275, 42079, 43530, 65295, 72550, 84158, 108825, 126237, 130590, 210395, 217650, 252474, 326475, 378711, 420790, 631185, 652950, 757422, 1051975, 1262370, 1893555, 2103950, 3155925, 3787110, 6311850, 9467775, 18935550]

約数ペア:

[(1, 18935550), (2, 9467775), (3, 6311850), (5, 3787110), (6, 3155925), (9, 2103950), (10, 1893555), (15, 1262370), (18, 1051975), (25, 757422), (29, 652950), (30, 631185), (45, 420790), (50, 378711), (58, 326475), (75, 252474), (87, 217650), (90, 210395), (145, 130590), (150, 126237), (174, 108825), (225, 84158), (261, 72550), (290, 65295), (435, 43530), (450, 42079), (522, 36275), (725, 26118), (870, 21765), (1305, 14510), (1450, 13059), (1451, 13050), (2175, 8706), (2610, 7255), (2902, 6525), (4350, 4353)]