18841996

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:238

約数の個数: 48

約数和(自身を含む): 36691200

約数和(自身を除く): 17849204

約数列:

[1, 2, 4, 19, 29, 38, 58, 76, 83, 103, 116, 166, 206, 332, 412, 551, 1102, 1577, 1957, 2204, 2407, 2987, 3154, 3914, 4814, 5974, 6308, 7828, 8549, 9628, 11948, 17098, 34196, 45733, 56753, 91466, 113506, 162431, 182932, 227012, 247921, 324862, 495842, 649724, 991684, 4710499, 9420998, 18841996]

約数ペア:

[(1, 18841996), (2, 9420998), (4, 4710499), (19, 991684), (29, 649724), (38, 495842), (58, 324862), (76, 247921), (83, 227012), (103, 182932), (116, 162431), (166, 113506), (206, 91466), (332, 56753), (412, 45733), (551, 34196), (1102, 17098), (1577, 11948), (1957, 9628), (2204, 8549), (2407, 7828), (2987, 6308), (3154, 5974), (3914, 4814)]