19750860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{179}}^1\times {\mathrm{613}}^1$

素因数の和:807

約数の個数: 72

約数和(自身を含む): 60343920

約数和(自身を除く): 40593060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 179, 180, 358, 537, 613, 716, 895, 1074, 1226, 1611, 1790, 1839, 2148, 2452, 2685, 3065, 3222, 3580, 3678, 5370, 5517, 6130, 6444, 7356, 8055, 9195, 10740, 11034, 12260, 16110, 18390, 22068, 27585, 32220, 36780, 55170, 109727, 110340, 219454, 329181, 438908, 548635, 658362, 987543, 1097270, 1316724, 1645905, 1975086, 2194540, 3291810, 3950172, 4937715, 6583620, 9875430, 19750860]

約数ペア:

[(1, 19750860), (2, 9875430), (3, 6583620), (4, 4937715), (5, 3950172), (6, 3291810), (9, 2194540), (10, 1975086), (12, 1645905), (15, 1316724), (18, 1097270), (20, 987543), (30, 658362), (36, 548635), (45, 438908), (60, 329181), (90, 219454), (179, 110340), (180, 109727), (358, 55170), (537, 36780), (613, 32220), (716, 27585), (895, 22068), (1074, 18390), (1226, 16110), (1611, 12260), (1790, 11034), (1839, 10740), (2148, 9195), (2452, 8055), (2685, 7356), (3065, 6444), (3222, 6130), (3580, 5517), (3678, 5370)]