2019923690

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^2\times {\mathrm{109}}^1\times {\mathrm{269}}^1$

素因数の和:551

約数の個数: 48

約数和(自身を含む): 3727765800

約数和(自身を除く): 1707842110

約数列:

[1, 2, 5, 10, 83, 109, 166, 218, 269, 415, 538, 545, 830, 1090, 1345, 2690, 6889, 9047, 13778, 18094, 22327, 29321, 34445, 44654, 45235, 58642, 68890, 90470, 111635, 146605, 223270, 293210, 750901, 1501802, 1853141, 2433643, 3706282, 3754505, 4867286, 7509010, 9265705, 12168215, 18531410, 24336430, 201992369, 403984738, 1009961845, 2019923690]

約数ペア:

[(1, 2019923690), (2, 1009961845), (5, 403984738), (10, 201992369), (83, 24336430), (109, 18531410), (166, 12168215), (218, 9265705), (269, 7509010), (415, 4867286), (538, 3754505), (545, 3706282), (830, 2433643), (1090, 1853141), (1345, 1501802), (2690, 750901), (6889, 293210), (9047, 223270), (13778, 146605), (18094, 111635), (22327, 90470), (29321, 68890), (34445, 58642), (44654, 45235)]