18689958

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:282

約数の個数: 96

約数和(自身を含む): 50269440

約数和(自身を除く): 31579482

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 37, 38, 42, 57, 63, 74, 111, 114, 126, 133, 171, 211, 222, 259, 266, 333, 342, 399, 422, 518, 633, 666, 703, 777, 798, 1197, 1266, 1406, 1477, 1554, 1899, 2109, 2331, 2394, 2954, 3798, 4009, 4218, 4431, 4662, 4921, 6327, 7807, 8018, 8862, 9842, 12027, 12654, 13293, 14763, 15614, 23421, 24054, 26586, 28063, 29526, 36081, 44289, 46842, 54649, 56126, 70263, 72162, 84189, 88578, 109298, 140526, 148333, 163947, 168378, 252567, 296666, 327894, 444999, 491841, 505134, 889998, 983682, 1038331, 1334997, 2076662, 2669994, 3114993, 6229986, 9344979, 18689958]

約数ペア:

[(1, 18689958), (2, 9344979), (3, 6229986), (6, 3114993), (7, 2669994), (9, 2076662), (14, 1334997), (18, 1038331), (19, 983682), (21, 889998), (37, 505134), (38, 491841), (42, 444999), (57, 327894), (63, 296666), (74, 252567), (111, 168378), (114, 163947), (126, 148333), (133, 140526), (171, 109298), (211, 88578), (222, 84189), (259, 72162), (266, 70263), (333, 56126), (342, 54649), (399, 46842), (422, 44289), (518, 36081), (633, 29526), (666, 28063), (703, 26586), (777, 24054), (798, 23421), (1197, 15614), (1266, 14763), (1406, 13293), (1477, 12654), (1554, 12027), (1899, 9842), (2109, 8862), (2331, 8018), (2394, 7807), (2954, 6327), (3798, 4921), (4009, 4662), (4218, 4431)]