2018966410

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{10247}}^1$

素因数の和:10351

約数の個数: 64

約数和(自身を含む): 4117236480

約数和(自身を除く): 2098270070

約数列:

[1, 2, 5, 10, 17, 19, 34, 38, 61, 85, 95, 122, 170, 190, 305, 323, 610, 646, 1037, 1159, 1615, 2074, 2318, 3230, 5185, 5795, 10247, 10370, 11590, 19703, 20494, 39406, 51235, 98515, 102470, 174199, 194693, 197030, 348398, 389386, 625067, 870995, 973465, 1250134, 1741990, 1946930, 3125335, 3309781, 6250670, 6619562, 10626139, 11876273, 16548905, 21252278, 23752546, 33097810, 53130695, 59381365, 106261390, 118762730, 201896641, 403793282, 1009483205, 2018966410]

約数ペア:

[(1, 2018966410), (2, 1009483205), (5, 403793282), (10, 201896641), (17, 118762730), (19, 106261390), (34, 59381365), (38, 53130695), (61, 33097810), (85, 23752546), (95, 21252278), (122, 16548905), (170, 11876273), (190, 10626139), (305, 6619562), (323, 6250670), (610, 3309781), (646, 3125335), (1037, 1946930), (1159, 1741990), (1615, 1250134), (2074, 973465), (2318, 870995), (3230, 625067), (5185, 389386), (5795, 348398), (10247, 197030), (10370, 194693), (11590, 174199), (19703, 102470), (20494, 98515), (39406, 51235)]