38963870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{181}}^1$

素因数の和:321

約数の個数: 64

約数和(自身を含む): 81768960

約数和(自身を除く): 42805090

約数列:

[1, 2, 5, 10, 11, 19, 22, 38, 55, 95, 103, 110, 181, 190, 206, 209, 362, 418, 515, 905, 1030, 1045, 1133, 1810, 1957, 1991, 2090, 2266, 3439, 3914, 3982, 5665, 6878, 9785, 9955, 11330, 17195, 18643, 19570, 19910, 21527, 34390, 37286, 37829, 43054, 75658, 93215, 107635, 186430, 189145, 205073, 215270, 354217, 378290, 410146, 708434, 1025365, 1771085, 2050730, 3542170, 3896387, 7792774, 19481935, 38963870]

約数ペア:

[(1, 38963870), (2, 19481935), (5, 7792774), (10, 3896387), (11, 3542170), (19, 2050730), (22, 1771085), (38, 1025365), (55, 708434), (95, 410146), (103, 378290), (110, 354217), (181, 215270), (190, 205073), (206, 189145), (209, 186430), (362, 107635), (418, 93215), (515, 75658), (905, 43054), (1030, 37829), (1045, 37286), (1133, 34390), (1810, 21527), (1957, 19910), (1991, 19570), (2090, 18643), (2266, 17195), (3439, 11330), (3914, 9955), (3982, 9785), (5665, 6878)]