19806972

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{643}}^1$

素因数の和:818

約数の個数: 48

約数和(自身を含む): 49335552

約数和(自身を除く): 29528580

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 151, 204, 302, 453, 604, 643, 906, 1286, 1812, 1929, 2567, 2572, 3858, 5134, 7701, 7716, 10268, 10931, 15402, 21862, 30804, 32793, 43724, 65586, 97093, 131172, 194186, 291279, 388372, 582558, 1165116, 1650581, 3301162, 4951743, 6602324, 9903486, 19806972]

約数ペア:

[(1, 19806972), (2, 9903486), (3, 6602324), (4, 4951743), (6, 3301162), (12, 1650581), (17, 1165116), (34, 582558), (51, 388372), (68, 291279), (102, 194186), (151, 131172), (204, 97093), (302, 65586), (453, 43724), (604, 32793), (643, 30804), (906, 21862), (1286, 15402), (1812, 10931), (1929, 10268), (2567, 7716), (2572, 7701), (3858, 5134)]