18804946780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{199}}^1\times {\mathrm{16349}}^1$

素因数の和:16591

約数の個数: 72

約数和(自身を含む): 42163380000

約数和(自身を除く): 23358433220

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 199, 289, 340, 398, 578, 796, 995, 1156, 1445, 1990, 2890, 3383, 3980, 5780, 6766, 13532, 16349, 16915, 32698, 33830, 57511, 65396, 67660, 81745, 115022, 163490, 230044, 277933, 287555, 326980, 555866, 575110, 1111732, 1150220, 1389665, 2779330, 3253451, 4724861, 5558660, 6506902, 9449722, 13013804, 16267255, 18899444, 23624305, 32534510, 47248610, 55308667, 65069020, 94497220, 110617334, 221234668, 276543335, 553086670, 940247339, 1106173340, 1880494678, 3760989356, 4701236695, 9402473390, 18804946780]

約数ペア:

[(1, 18804946780), (2, 9402473390), (4, 4701236695), (5, 3760989356), (10, 1880494678), (17, 1106173340), (20, 940247339), (34, 553086670), (68, 276543335), (85, 221234668), (170, 110617334), (199, 94497220), (289, 65069020), (340, 55308667), (398, 47248610), (578, 32534510), (796, 23624305), (995, 18899444), (1156, 16267255), (1445, 13013804), (1990, 9449722), (2890, 6506902), (3383, 5558660), (3980, 4724861), (5780, 3253451), (6766, 2779330), (13532, 1389665), (16349, 1150220), (16915, 1111732), (32698, 575110), (33830, 555866), (57511, 326980), (65396, 287555), (67660, 277933), (81745, 230044), (115022, 163490)]