19919582210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{626599}}^1$

素因数の和:626651

約数の個数: 48

約数和(自身を含む): 41551099200

約数和(自身を除く): 21631516990

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 55, 85, 110, 170, 187, 289, 374, 578, 935, 1445, 1870, 2890, 3179, 6358, 15895, 31790, 626599, 1253198, 3132995, 6265990, 6892589, 10652183, 13785178, 21304366, 34462945, 53260915, 68925890, 106521830, 117174013, 181087111, 234348026, 362174222, 585870065, 905435555, 1171740130, 1810871110, 1991958221, 3983916442, 9959791105, 19919582210]

約数ペア:

[(1, 19919582210), (2, 9959791105), (5, 3983916442), (10, 1991958221), (11, 1810871110), (17, 1171740130), (22, 905435555), (34, 585870065), (55, 362174222), (85, 234348026), (110, 181087111), (170, 117174013), (187, 106521830), (289, 68925890), (374, 53260915), (578, 34462945), (935, 21304366), (1445, 13785178), (1870, 10652183), (2890, 6892589), (3179, 6265990), (6358, 3132995), (15895, 1253198), (31790, 626599)]