19538032

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{659}}^1$

素因数の和:793

約数の個数: 40

約数和(自身を含む): 40510800

約数和(自身を除く): 20972768

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 109, 136, 218, 272, 436, 659, 872, 1318, 1744, 1853, 2636, 3706, 5272, 7412, 10544, 11203, 14824, 22406, 29648, 44812, 71831, 89624, 143662, 179248, 287324, 574648, 1149296, 1221127, 2442254, 4884508, 9769016, 19538032]

約数ペア:

[(1, 19538032), (2, 9769016), (4, 4884508), (8, 2442254), (16, 1221127), (17, 1149296), (34, 574648), (68, 287324), (109, 179248), (136, 143662), (218, 89624), (272, 71831), (436, 44812), (659, 29648), (872, 22406), (1318, 14824), (1744, 11203), (1853, 10544), (2636, 7412), (3706, 5272)]