18520260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{2551}}^1$

素因数の和:2585

約数の個数: 72

約数和(自身を含む): 57021888

約数和(自身を除く): 38501628

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 121, 132, 165, 220, 242, 330, 363, 484, 605, 660, 726, 1210, 1452, 1815, 2420, 2551, 3630, 5102, 7260, 7653, 10204, 12755, 15306, 25510, 28061, 30612, 38265, 51020, 56122, 76530, 84183, 112244, 140305, 153060, 168366, 280610, 308671, 336732, 420915, 561220, 617342, 841830, 926013, 1234684, 1543355, 1683660, 1852026, 3086710, 3704052, 4630065, 6173420, 9260130, 18520260]

約数ペア:

[(1, 18520260), (2, 9260130), (3, 6173420), (4, 4630065), (5, 3704052), (6, 3086710), (10, 1852026), (11, 1683660), (12, 1543355), (15, 1234684), (20, 926013), (22, 841830), (30, 617342), (33, 561220), (44, 420915), (55, 336732), (60, 308671), (66, 280610), (110, 168366), (121, 153060), (132, 140305), (165, 112244), (220, 84183), (242, 76530), (330, 56122), (363, 51020), (484, 38265), (605, 30612), (660, 28061), (726, 25510), (1210, 15306), (1452, 12755), (1815, 10204), (2420, 7653), (2551, 7260), (3630, 5102)]