19889848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{317}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 43960320

約数和(自身を除く): 24070472

約数列:

[1, 2, 4, 8, 11, 22, 23, 31, 44, 46, 62, 88, 92, 124, 184, 248, 253, 317, 341, 506, 634, 682, 713, 1012, 1268, 1364, 1426, 2024, 2536, 2728, 2852, 3487, 5704, 6974, 7291, 7843, 9827, 13948, 14582, 15686, 19654, 27896, 29164, 31372, 39308, 58328, 62744, 78616, 80201, 108097, 160402, 216194, 226021, 320804, 432388, 452042, 641608, 864776, 904084, 1808168, 2486231, 4972462, 9944924, 19889848]

約数ペア:

[(1, 19889848), (2, 9944924), (4, 4972462), (8, 2486231), (11, 1808168), (22, 904084), (23, 864776), (31, 641608), (44, 452042), (46, 432388), (62, 320804), (88, 226021), (92, 216194), (124, 160402), (184, 108097), (248, 80201), (253, 78616), (317, 62744), (341, 58328), (506, 39308), (634, 31372), (682, 29164), (713, 27896), (1012, 19654), (1268, 15686), (1364, 14582), (1426, 13948), (2024, 9827), (2536, 7843), (2728, 7291), (2852, 6974), (3487, 5704)]