19894732808

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{389}}^1\times {\mathrm{77023}}^1$

素因数の和:77501

約数の個数: 32

約数和(自身を含む): 37849593600

約数和(自身を除く): 17954860792

約数列:

[1, 2, 4, 8, 83, 166, 332, 389, 664, 778, 1556, 3112, 32287, 64574, 77023, 129148, 154046, 258296, 308092, 616184, 6392909, 12785818, 25571636, 29961947, 51143272, 59923894, 119847788, 239695576, 2486841601, 4973683202, 9947366404, 19894732808]

約数ペア:

[(1, 19894732808), (2, 9947366404), (4, 4973683202), (8, 2486841601), (83, 239695576), (166, 119847788), (332, 59923894), (389, 51143272), (664, 29961947), (778, 25571636), (1556, 12785818), (3112, 6392909), (32287, 616184), (64574, 308092), (77023, 258296), (129148, 154046)]