19722402

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{379}}^1$

素因数の和:460

約数の個数: 72

約数和(自身を含む): 50684400

約数和(自身を除く): 30961998

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 59, 63, 98, 118, 126, 147, 177, 294, 354, 379, 413, 441, 531, 758, 826, 882, 1062, 1137, 1239, 2274, 2478, 2653, 2891, 3411, 3717, 5306, 5782, 6822, 7434, 7959, 8673, 15918, 17346, 18571, 22361, 23877, 26019, 37142, 44722, 47754, 52038, 55713, 67083, 111426, 134166, 156527, 167139, 201249, 313054, 334278, 402498, 469581, 939162, 1095689, 1408743, 2191378, 2817486, 3287067, 6574134, 9861201, 19722402]

約数ペア:

[(1, 19722402), (2, 9861201), (3, 6574134), (6, 3287067), (7, 2817486), (9, 2191378), (14, 1408743), (18, 1095689), (21, 939162), (42, 469581), (49, 402498), (59, 334278), (63, 313054), (98, 201249), (118, 167139), (126, 156527), (147, 134166), (177, 111426), (294, 67083), (354, 55713), (379, 52038), (413, 47754), (441, 44722), (531, 37142), (758, 26019), (826, 23877), (882, 22361), (1062, 18571), (1137, 17346), (1239, 15918), (2274, 8673), (2478, 7959), (2653, 7434), (2891, 6822), (3411, 5782), (3717, 5306)]