19289456

素因数分解:

$2^4\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:150

約数の個数: 60

約数和(自身を含む): 40731768

約数和(自身を除く): 21442312

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 53, 86, 92, 106, 172, 184, 212, 344, 368, 424, 529, 688, 848, 989, 1058, 1219, 1978, 2116, 2279, 2438, 3956, 4232, 4558, 4876, 7912, 8464, 9116, 9752, 15824, 18232, 19504, 22747, 28037, 36464, 45494, 52417, 56074, 90988, 104834, 112148, 181976, 209668, 224296, 363952, 419336, 448592, 838672, 1205591, 2411182, 4822364, 9644728, 19289456]

約数ペア:

[(1, 19289456), (2, 9644728), (4, 4822364), (8, 2411182), (16, 1205591), (23, 838672), (43, 448592), (46, 419336), (53, 363952), (86, 224296), (92, 209668), (106, 181976), (172, 112148), (184, 104834), (212, 90988), (344, 56074), (368, 52417), (424, 45494), (529, 36464), (688, 28037), (848, 22747), (989, 19504), (1058, 18232), (1219, 15824), (1978, 9752), (2116, 9116), (2279, 8464), (2438, 7912), (3956, 4876), (4232, 4558)]