18647284

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{2251}}^1$

素因数の和:2383

約数の個数: 24

約数和(自身を含む): 34680800

約数和(自身を除く): 16033516

約数列:

[1, 2, 4, 19, 38, 76, 109, 218, 436, 2071, 2251, 4142, 4502, 8284, 9004, 42769, 85538, 171076, 245359, 490718, 981436, 4661821, 9323642, 18647284]

約数ペア:

[(1, 18647284), (2, 9323642), (4, 4661821), (19, 981436), (38, 490718), (76, 245359), (109, 171076), (218, 85538), (436, 42769), (2071, 9004), (2251, 8284), (4142, 4502)]