18637380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2203}}^1$

素因数の和:2265

約数の個数: 72

約数和(自身を含む): 57762432

約数和(自身を除く): 39125052

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2203, 2820, 4230, 4406, 6609, 8460, 8812, 11015, 13218, 19827, 22030, 26436, 33045, 39654, 44060, 66090, 79308, 99135, 103541, 132180, 198270, 207082, 310623, 396540, 414164, 517705, 621246, 931869, 1035410, 1242492, 1553115, 1863738, 2070820, 3106230, 3727476, 4659345, 6212460, 9318690, 18637380]

約数ペア:

[(1, 18637380), (2, 9318690), (3, 6212460), (4, 4659345), (5, 3727476), (6, 3106230), (9, 2070820), (10, 1863738), (12, 1553115), (15, 1242492), (18, 1035410), (20, 931869), (30, 621246), (36, 517705), (45, 414164), (47, 396540), (60, 310623), (90, 207082), (94, 198270), (141, 132180), (180, 103541), (188, 99135), (235, 79308), (282, 66090), (423, 44060), (470, 39654), (564, 33045), (705, 26436), (846, 22030), (940, 19827), (1410, 13218), (1692, 11015), (2115, 8812), (2203, 8460), (2820, 6609), (4230, 4406)]