19441180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4651}}^1$

素因数の和:4690

約数の個数: 48

約数和(自身を含む): 46892160

約数和(自身を除く): 27450980

約数列:

[1, 2, 4, 5, 10, 11, 19, 20, 22, 38, 44, 55, 76, 95, 110, 190, 209, 220, 380, 418, 836, 1045, 2090, 4180, 4651, 9302, 18604, 23255, 46510, 51161, 88369, 93020, 102322, 176738, 204644, 255805, 353476, 441845, 511610, 883690, 972059, 1023220, 1767380, 1944118, 3888236, 4860295, 9720590, 19441180]

約数ペア:

[(1, 19441180), (2, 9720590), (4, 4860295), (5, 3888236), (10, 1944118), (11, 1767380), (19, 1023220), (20, 972059), (22, 883690), (38, 511610), (44, 441845), (55, 353476), (76, 255805), (95, 204644), (110, 176738), (190, 102322), (209, 93020), (220, 88369), (380, 51161), (418, 46510), (836, 23255), (1045, 18604), (2090, 9302), (4180, 4651)]