18406668

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{607}}^1$

素因数の和:659

約数の個数: 72

約数和(自身を含む): 51889152

約数和(自身を除く): 33482484

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 19, 21, 28, 38, 42, 57, 76, 84, 114, 133, 228, 266, 361, 399, 532, 607, 722, 798, 1083, 1214, 1444, 1596, 1821, 2166, 2428, 2527, 3642, 4249, 4332, 5054, 7284, 7581, 8498, 10108, 11533, 12747, 15162, 16996, 23066, 25494, 30324, 34599, 46132, 50988, 69198, 80731, 138396, 161462, 219127, 242193, 322924, 438254, 484386, 657381, 876508, 968772, 1314762, 1533889, 2629524, 3067778, 4601667, 6135556, 9203334, 18406668]

約数ペア:

[(1, 18406668), (2, 9203334), (3, 6135556), (4, 4601667), (6, 3067778), (7, 2629524), (12, 1533889), (14, 1314762), (19, 968772), (21, 876508), (28, 657381), (38, 484386), (42, 438254), (57, 322924), (76, 242193), (84, 219127), (114, 161462), (133, 138396), (228, 80731), (266, 69198), (361, 50988), (399, 46132), (532, 34599), (607, 30324), (722, 25494), (798, 23066), (1083, 16996), (1214, 15162), (1444, 12747), (1596, 11533), (1821, 10108), (2166, 8498), (2428, 7581), (2527, 7284), (3642, 5054), (4249, 4332)]