19866447062

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{401}}^1\times {\mathrm{827}}^1$

素因数の和:1637

約数の個数: 64

約数和(自身を含む): 37386385920

約数和(自身を除く): 17519938858

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 389, 401, 778, 802, 827, 1654, 2723, 2807, 4279, 4411, 5446, 5614, 5789, 8558, 8822, 9097, 11578, 18194, 29953, 30877, 59906, 61754, 63679, 127358, 155989, 311978, 321703, 331627, 643406, 663254, 1091923, 1715879, 2183846, 2251921, 2321389, 3431758, 3538733, 3647897, 4503842, 4642778, 7077466, 7295794, 12011153, 24022306, 24771131, 25535279, 49542262, 51070558, 129002903, 258005806, 903020321, 1419031933, 1806040642, 2838063866, 9933223531, 19866447062]

約数ペア:

[(1, 19866447062), (2, 9933223531), (7, 2838063866), (11, 1806040642), (14, 1419031933), (22, 903020321), (77, 258005806), (154, 129002903), (389, 51070558), (401, 49542262), (778, 25535279), (802, 24771131), (827, 24022306), (1654, 12011153), (2723, 7295794), (2807, 7077466), (4279, 4642778), (4411, 4503842), (5446, 3647897), (5614, 3538733), (5789, 3431758), (8558, 2321389), (8822, 2251921), (9097, 2183846), (11578, 1715879), (18194, 1091923), (29953, 663254), (30877, 643406), (59906, 331627), (61754, 321703), (63679, 311978), (127358, 155989)]