19737180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{2333}}^1$

素因数の和:2395

約数の個数: 72

約数和(自身を含む): 61169472

約数和(自身を除く): 41432292

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 47, 60, 90, 94, 141, 180, 188, 235, 282, 423, 470, 564, 705, 846, 940, 1410, 1692, 2115, 2333, 2820, 4230, 4666, 6999, 8460, 9332, 11665, 13998, 20997, 23330, 27996, 34995, 41994, 46660, 69990, 83988, 104985, 109651, 139980, 209970, 219302, 328953, 419940, 438604, 548255, 657906, 986859, 1096510, 1315812, 1644765, 1973718, 2193020, 3289530, 3947436, 4934295, 6579060, 9868590, 19737180]

約数ペア:

[(1, 19737180), (2, 9868590), (3, 6579060), (4, 4934295), (5, 3947436), (6, 3289530), (9, 2193020), (10, 1973718), (12, 1644765), (15, 1315812), (18, 1096510), (20, 986859), (30, 657906), (36, 548255), (45, 438604), (47, 419940), (60, 328953), (90, 219302), (94, 209970), (141, 139980), (180, 109651), (188, 104985), (235, 83988), (282, 69990), (423, 46660), (470, 41994), (564, 34995), (705, 27996), (846, 23330), (940, 20997), (1410, 13998), (1692, 11665), (2115, 9332), (2333, 8460), (2820, 6999), (4230, 4666)]