19775284

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{41}}^2\times {\mathrm{173}}^1$

素因数の和:276

約数の個数: 36

約数和(自身を含む): 37775052

約数和(自身を除く): 17999768

約数列:

[1, 2, 4, 17, 34, 41, 68, 82, 164, 173, 346, 692, 697, 1394, 1681, 2788, 2941, 3362, 5882, 6724, 7093, 11764, 14186, 28372, 28577, 57154, 114308, 120581, 241162, 290813, 482324, 581626, 1163252, 4943821, 9887642, 19775284]

約数ペア:

[(1, 19775284), (2, 9887642), (4, 4943821), (17, 1163252), (34, 581626), (41, 482324), (68, 290813), (82, 241162), (164, 120581), (173, 114308), (346, 57154), (692, 28577), (697, 28372), (1394, 14186), (1681, 11764), (2788, 7093), (2941, 6724), (3362, 5882)]