18902043664

素因数分解:

$2^4\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{31469}}^1$

素因数の和:31688

約数の個数: 80

約数和(自身を含む): 43455790080

約数和(自身を除く): 24553746416

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 56, 62, 112, 124, 173, 217, 248, 346, 434, 496, 692, 868, 1211, 1384, 1736, 2422, 2768, 3472, 4844, 5363, 9688, 10726, 19376, 21452, 31469, 37541, 42904, 62938, 75082, 85808, 125876, 150164, 220283, 251752, 300328, 440566, 503504, 600656, 881132, 975539, 1762264, 1951078, 3524528, 3902156, 5444137, 6828773, 7804312, 10888274, 13657546, 15608624, 21776548, 27315092, 38108959, 43553096, 54630184, 76217918, 87106192, 109260368, 152435836, 168768247, 304871672, 337536494, 609743344, 675072988, 1181377729, 1350145976, 2362755458, 2700291952, 4725510916, 9451021832, 18902043664]

約数ペア:

[(1, 18902043664), (2, 9451021832), (4, 4725510916), (7, 2700291952), (8, 2362755458), (14, 1350145976), (16, 1181377729), (28, 675072988), (31, 609743344), (56, 337536494), (62, 304871672), (112, 168768247), (124, 152435836), (173, 109260368), (217, 87106192), (248, 76217918), (346, 54630184), (434, 43553096), (496, 38108959), (692, 27315092), (868, 21776548), (1211, 15608624), (1384, 13657546), (1736, 10888274), (2422, 7804312), (2768, 6828773), (3472, 5444137), (4844, 3902156), (5363, 3524528), (9688, 1951078), (10726, 1762264), (19376, 975539), (21452, 881132), (31469, 600656), (37541, 503504), (42904, 440566), (62938, 300328), (75082, 251752), (85808, 220283), (125876, 150164)]