19874808

素因数分解:

$2^3\times 3^4\times {\mathrm{30671}}^1$

素因数の和:30689

約数の個数: 40

約数和(自身を含む): 55669680

約数和(自身を除く): 35794872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 30671, 61342, 92013, 122684, 184026, 245368, 276039, 368052, 552078, 736104, 828117, 1104156, 1656234, 2208312, 2484351, 3312468, 4968702, 6624936, 9937404, 19874808]

約数ペア:

[(1, 19874808), (2, 9937404), (3, 6624936), (4, 4968702), (6, 3312468), (8, 2484351), (9, 2208312), (12, 1656234), (18, 1104156), (24, 828117), (27, 736104), (36, 552078), (54, 368052), (72, 276039), (81, 245368), (108, 184026), (162, 122684), (216, 92013), (324, 61342), (648, 30671)]