12191820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{317}}^1\times {\mathrm{641}}^1$

素因数の和:970

約数の個数: 48

約数和(自身を含む): 34298208

約数和(自身を除く): 22106388

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 317, 634, 641, 951, 1268, 1282, 1585, 1902, 1923, 2564, 3170, 3205, 3804, 3846, 4755, 6340, 6410, 7692, 9510, 9615, 12820, 19020, 19230, 38460, 203197, 406394, 609591, 812788, 1015985, 1219182, 2031970, 2438364, 3047955, 4063940, 6095910, 12191820]

約数ペア:

[(1, 12191820), (2, 6095910), (3, 4063940), (4, 3047955), (5, 2438364), (6, 2031970), (10, 1219182), (12, 1015985), (15, 812788), (20, 609591), (30, 406394), (60, 203197), (317, 38460), (634, 19230), (641, 19020), (951, 12820), (1268, 9615), (1282, 9510), (1585, 7692), (1902, 6410), (1923, 6340), (2564, 4755), (3170, 3846), (3205, 3804)]