18378250

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{163}}^1$

素因数の和:232

約数の個数: 64

約数和(自身を含む): 38683008

約数和(自身を除く): 20304758

約数列:

[1, 2, 5, 10, 11, 22, 25, 41, 50, 55, 82, 110, 125, 163, 205, 250, 275, 326, 410, 451, 550, 815, 902, 1025, 1375, 1630, 1793, 2050, 2255, 2750, 3586, 4075, 4510, 5125, 6683, 8150, 8965, 10250, 11275, 13366, 17930, 20375, 22550, 33415, 40750, 44825, 56375, 66830, 73513, 89650, 112750, 147026, 167075, 224125, 334150, 367565, 448250, 735130, 835375, 1670750, 1837825, 3675650, 9189125, 18378250]

約数ペア:

[(1, 18378250), (2, 9189125), (5, 3675650), (10, 1837825), (11, 1670750), (22, 835375), (25, 735130), (41, 448250), (50, 367565), (55, 334150), (82, 224125), (110, 167075), (125, 147026), (163, 112750), (205, 89650), (250, 73513), (275, 66830), (326, 56375), (410, 44825), (451, 40750), (550, 33415), (815, 22550), (902, 20375), (1025, 17930), (1375, 13366), (1630, 11275), (1793, 10250), (2050, 8965), (2255, 8150), (2750, 6683), (3586, 5125), (4075, 4510)]