19951330

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{2143}}^1$

素因数の和:2183

約数の個数: 48

約数和(自身を含む): 43994880

約数和(自身を除く): 24043550

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 49, 70, 95, 98, 133, 190, 245, 266, 490, 665, 931, 1330, 1862, 2143, 4286, 4655, 9310, 10715, 15001, 21430, 30002, 40717, 75005, 81434, 105007, 150010, 203585, 210014, 285019, 407170, 525035, 570038, 1050070, 1425095, 1995133, 2850190, 3990266, 9975665, 19951330]

約数ペア:

[(1, 19951330), (2, 9975665), (5, 3990266), (7, 2850190), (10, 1995133), (14, 1425095), (19, 1050070), (35, 570038), (38, 525035), (49, 407170), (70, 285019), (95, 210014), (98, 203585), (133, 150010), (190, 105007), (245, 81434), (266, 75005), (490, 40717), (665, 30002), (931, 21430), (1330, 15001), (1862, 10715), (2143, 9310), (4286, 4655)]