19929510

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:570

約数の個数: 64

約数和(自身を含む): 53544960

約数和(自身を除く): 33615450

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 223, 270, 331, 446, 662, 669, 993, 1115, 1338, 1655, 1986, 2007, 2230, 2979, 3310, 3345, 4014, 4965, 5958, 6021, 6690, 8937, 9930, 10035, 12042, 14895, 17874, 20070, 29790, 30105, 44685, 60210, 73813, 89370, 147626, 221439, 369065, 442878, 664317, 738130, 1107195, 1328634, 1992951, 2214390, 3321585, 3985902, 6643170, 9964755, 19929510]

約数ペア:

[(1, 19929510), (2, 9964755), (3, 6643170), (5, 3985902), (6, 3321585), (9, 2214390), (10, 1992951), (15, 1328634), (18, 1107195), (27, 738130), (30, 664317), (45, 442878), (54, 369065), (90, 221439), (135, 147626), (223, 89370), (270, 73813), (331, 60210), (446, 44685), (662, 30105), (669, 29790), (993, 20070), (1115, 17874), (1338, 14895), (1655, 12042), (1986, 10035), (2007, 9930), (2230, 8937), (2979, 6690), (3310, 6021), (3345, 5958), (4014, 4965)]