19161804

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:622

約数の個数: 48

約数和(自身を含む): 47398400

約数和(自身を除く): 28236596

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 229, 367, 458, 687, 734, 916, 1101, 1374, 1468, 2202, 2748, 4351, 4404, 6973, 8702, 13053, 13946, 17404, 20919, 26106, 27892, 41838, 52212, 83676, 84043, 168086, 252129, 336172, 504258, 1008516, 1596817, 3193634, 4790451, 6387268, 9580902, 19161804]

約数ペア:

[(1, 19161804), (2, 9580902), (3, 6387268), (4, 4790451), (6, 3193634), (12, 1596817), (19, 1008516), (38, 504258), (57, 336172), (76, 252129), (114, 168086), (228, 84043), (229, 83676), (367, 52212), (458, 41838), (687, 27892), (734, 26106), (916, 20919), (1101, 17404), (1374, 13946), (1468, 13053), (2202, 8702), (2748, 6973), (4351, 4404)]