2019990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{9619}}^1$

素因数の和:9636

約数の個数: 32

約数和(自身を含む): 5541120

約数和(自身を除く): 3521130

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 9619, 19238, 28857, 48095, 57714, 67333, 96190, 134666, 144285, 201999, 288570, 336665, 403998, 673330, 1009995, 2019990]

約数ペア:

[(1, 2019990), (2, 1009995), (3, 673330), (5, 403998), (6, 336665), (7, 288570), (10, 201999), (14, 144285), (15, 134666), (21, 96190), (30, 67333), (35, 57714), (42, 48095), (70, 28857), (105, 19238), (210, 9619)]