19281196

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{173}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 39463200

約数和(自身を除く): 20182004

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 149, 173, 187, 298, 346, 374, 596, 692, 748, 1639, 1903, 2533, 2941, 3278, 3806, 5066, 5882, 6556, 7612, 10132, 11764, 25777, 27863, 32351, 51554, 55726, 64702, 103108, 111452, 129404, 283547, 438209, 567094, 876418, 1134188, 1752836, 4820299, 9640598, 19281196]

約数ペア:

[(1, 19281196), (2, 9640598), (4, 4820299), (11, 1752836), (17, 1134188), (22, 876418), (34, 567094), (44, 438209), (68, 283547), (149, 129404), (173, 111452), (187, 103108), (298, 64702), (346, 55726), (374, 51554), (596, 32351), (692, 27863), (748, 25777), (1639, 11764), (1903, 10132), (2533, 7612), (2941, 6556), (3278, 5882), (3806, 5066)]