19833176

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{239}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 43545600

約数和(自身を除く): 23712424

約数列:

[1, 2, 4, 8, 11, 22, 23, 41, 44, 46, 82, 88, 92, 164, 184, 239, 253, 328, 451, 478, 506, 902, 943, 956, 1012, 1804, 1886, 1912, 2024, 2629, 3608, 3772, 5258, 5497, 7544, 9799, 10373, 10516, 10994, 19598, 20746, 21032, 21988, 39196, 41492, 43976, 60467, 78392, 82984, 107789, 120934, 215578, 225377, 241868, 431156, 450754, 483736, 862312, 901508, 1803016, 2479147, 4958294, 9916588, 19833176]

約数ペア:

[(1, 19833176), (2, 9916588), (4, 4958294), (8, 2479147), (11, 1803016), (22, 901508), (23, 862312), (41, 483736), (44, 450754), (46, 431156), (82, 241868), (88, 225377), (92, 215578), (164, 120934), (184, 107789), (239, 82984), (253, 78392), (328, 60467), (451, 43976), (478, 41492), (506, 39196), (902, 21988), (943, 21032), (956, 20746), (1012, 19598), (1804, 10994), (1886, 10516), (1912, 10373), (2024, 9799), (2629, 7544), (3608, 5497), (3772, 5258)]