17918964

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{337}}^1$

素因数の和:565

約数の個数: 72

約数和(自身を含む): 52165568

約数和(自身を除く): 34246604

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 211, 252, 337, 422, 633, 674, 844, 1011, 1266, 1348, 1477, 1899, 2022, 2359, 2532, 2954, 3033, 3798, 4044, 4431, 4718, 5908, 6066, 7077, 7596, 8862, 9436, 12132, 13293, 14154, 17724, 21231, 26586, 28308, 42462, 53172, 71107, 84924, 142214, 213321, 284428, 426642, 497749, 639963, 853284, 995498, 1279926, 1493247, 1990996, 2559852, 2986494, 4479741, 5972988, 8959482, 17918964]

約数ペア:

[(1, 17918964), (2, 8959482), (3, 5972988), (4, 4479741), (6, 2986494), (7, 2559852), (9, 1990996), (12, 1493247), (14, 1279926), (18, 995498), (21, 853284), (28, 639963), (36, 497749), (42, 426642), (63, 284428), (84, 213321), (126, 142214), (211, 84924), (252, 71107), (337, 53172), (422, 42462), (633, 28308), (674, 26586), (844, 21231), (1011, 17724), (1266, 14154), (1348, 13293), (1477, 12132), (1899, 9436), (2022, 8862), (2359, 7596), (2532, 7077), (2954, 6066), (3033, 5908), (3798, 4718), (4044, 4431)]