18915372

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{10723}}^1$

素因数の和:10747

約数の個数: 54

約数和(自身を含む): 55625388

約数和(自身を除く): 36710016

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 441, 588, 882, 1764, 10723, 21446, 32169, 42892, 64338, 75061, 96507, 128676, 150122, 193014, 225183, 300244, 386028, 450366, 525427, 675549, 900732, 1050854, 1351098, 1576281, 2101708, 2702196, 3152562, 4728843, 6305124, 9457686, 18915372]

約数ペア:

[(1, 18915372), (2, 9457686), (3, 6305124), (4, 4728843), (6, 3152562), (7, 2702196), (9, 2101708), (12, 1576281), (14, 1351098), (18, 1050854), (21, 900732), (28, 675549), (36, 525427), (42, 450366), (49, 386028), (63, 300244), (84, 225183), (98, 193014), (126, 150122), (147, 128676), (196, 96507), (252, 75061), (294, 64338), (441, 42892), (588, 32169), (882, 21446), (1764, 10723)]