19992768

素因数分解:

$2^6\times 3^1\times {\mathrm{31}}^1\times {\mathrm{3359}}^1$

素因数の和:3405

約数の個数: 56

約数和(自身を含む): 54620160

約数和(自身を除く): 34627392

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 64, 93, 96, 124, 186, 192, 248, 372, 496, 744, 992, 1488, 1984, 2976, 3359, 5952, 6718, 10077, 13436, 20154, 26872, 40308, 53744, 80616, 104129, 107488, 161232, 208258, 214976, 312387, 322464, 416516, 624774, 644928, 833032, 1249548, 1666064, 2499096, 3332128, 4998192, 6664256, 9996384, 19992768]

約数ペア:

[(1, 19992768), (2, 9996384), (3, 6664256), (4, 4998192), (6, 3332128), (8, 2499096), (12, 1666064), (16, 1249548), (24, 833032), (31, 644928), (32, 624774), (48, 416516), (62, 322464), (64, 312387), (93, 214976), (96, 208258), (124, 161232), (186, 107488), (192, 104129), (248, 80616), (372, 53744), (496, 40308), (744, 26872), (992, 20154), (1488, 13436), (1984, 10077), (2976, 6718), (3359, 5952)]