19848122

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:171

約数の個数: 64

約数和(自身を含む): 38707200

約数和(自身を除く): 18859078

約数列:

[1, 2, 7, 14, 19, 29, 31, 38, 58, 62, 83, 133, 166, 203, 217, 266, 406, 434, 551, 581, 589, 899, 1102, 1162, 1178, 1577, 1798, 2407, 2573, 3154, 3857, 4123, 4814, 5146, 6293, 7714, 8246, 11039, 12586, 16849, 17081, 18011, 22078, 33698, 34162, 36022, 45733, 48887, 74617, 91466, 97774, 119567, 149234, 239134, 320131, 342209, 522319, 640262, 684418, 1044638, 1417723, 2835446, 9924061, 19848122]

約数ペア:

[(1, 19848122), (2, 9924061), (7, 2835446), (14, 1417723), (19, 1044638), (29, 684418), (31, 640262), (38, 522319), (58, 342209), (62, 320131), (83, 239134), (133, 149234), (166, 119567), (203, 97774), (217, 91466), (266, 74617), (406, 48887), (434, 45733), (551, 36022), (581, 34162), (589, 33698), (899, 22078), (1102, 18011), (1162, 17081), (1178, 16849), (1577, 12586), (1798, 11039), (2407, 8246), (2573, 7714), (3154, 6293), (3857, 5146), (4123, 4814)]