19368560

素因数分解:

$2^4\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1013}}^1$

素因数の和:1265

約数の個数: 40

約数和(自身を含む): 45264960

約数和(自身を除く): 25896400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 239, 478, 956, 1013, 1195, 1912, 2026, 2390, 3824, 4052, 4780, 5065, 8104, 9560, 10130, 16208, 19120, 20260, 40520, 81040, 242107, 484214, 968428, 1210535, 1936856, 2421070, 3873712, 4842140, 9684280, 19368560]

約数ペア:

[(1, 19368560), (2, 9684280), (4, 4842140), (5, 3873712), (8, 2421070), (10, 1936856), (16, 1210535), (20, 968428), (40, 484214), (80, 242107), (239, 81040), (478, 40520), (956, 20260), (1013, 19120), (1195, 16208), (1912, 10130), (2026, 9560), (2390, 8104), (3824, 5065), (4052, 4780)]