19204620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{967}}^1$

素因数の和:1310

約数の個数: 48

約数和(自身を含む): 53991168

約数和(自身を除く): 34786548

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331, 662, 967, 993, 1324, 1655, 1934, 1986, 2901, 3310, 3868, 3972, 4835, 4965, 5802, 6620, 9670, 9930, 11604, 14505, 19340, 19860, 29010, 58020, 320077, 640154, 960231, 1280308, 1600385, 1920462, 3200770, 3840924, 4801155, 6401540, 9602310, 19204620]

約数ペア:

[(1, 19204620), (2, 9602310), (3, 6401540), (4, 4801155), (5, 3840924), (6, 3200770), (10, 1920462), (12, 1600385), (15, 1280308), (20, 960231), (30, 640154), (60, 320077), (331, 58020), (662, 29010), (967, 19860), (993, 19340), (1324, 14505), (1655, 11604), (1934, 9930), (1986, 9670), (2901, 6620), (3310, 5802), (3868, 4965), (3972, 4835)]