19744310

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:177

約数の個数: 64

約数和(自身を含む): 40087872

約数和(自身を除く): 20343562

約数列:

[1, 2, 5, 10, 17, 34, 37, 43, 73, 74, 85, 86, 146, 170, 185, 215, 365, 370, 430, 629, 730, 731, 1241, 1258, 1462, 1591, 2482, 2701, 3139, 3145, 3182, 3655, 5402, 6205, 6278, 6290, 7310, 7955, 12410, 13505, 15695, 15910, 27010, 27047, 31390, 45917, 53363, 54094, 91834, 106726, 116143, 135235, 229585, 232286, 266815, 270470, 459170, 533630, 580715, 1161430, 1974431, 3948862, 9872155, 19744310]

約数ペア:

[(1, 19744310), (2, 9872155), (5, 3948862), (10, 1974431), (17, 1161430), (34, 580715), (37, 533630), (43, 459170), (73, 270470), (74, 266815), (85, 232286), (86, 229585), (146, 135235), (170, 116143), (185, 106726), (215, 91834), (365, 54094), (370, 53363), (430, 45917), (629, 31390), (730, 27047), (731, 27010), (1241, 15910), (1258, 15695), (1462, 13505), (1591, 12410), (2482, 7955), (2701, 7310), (3139, 6290), (3145, 6278), (3182, 6205), (3655, 5402)]