19055520004

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{149}}^1\times {\mathrm{6949}}^1$

素因数の和:7252

約数の個数: 48

約数和(自身を含む): 34677720000

約数和(自身を除く): 15622199996

約数列:

[1, 2, 4, 43, 86, 107, 149, 172, 214, 298, 428, 596, 4601, 6407, 6949, 9202, 12814, 13898, 15943, 18404, 25628, 27796, 31886, 63772, 298807, 597614, 685549, 743543, 1035401, 1195228, 1371098, 1487086, 2070802, 2742196, 2974172, 4141604, 31972349, 44522243, 63944698, 89044486, 110787907, 127889396, 178088972, 221575814, 443151628, 4763880001, 9527760002, 19055520004]

約数ペア:

[(1, 19055520004), (2, 9527760002), (4, 4763880001), (43, 443151628), (86, 221575814), (107, 178088972), (149, 127889396), (172, 110787907), (214, 89044486), (298, 63944698), (428, 44522243), (596, 31972349), (4601, 4141604), (6407, 2974172), (6949, 2742196), (9202, 2070802), (12814, 1487086), (13898, 1371098), (15943, 1195228), (18404, 1035401), (25628, 743543), (27796, 685549), (31886, 597614), (63772, 298807)]