18483580

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1\times {\mathrm{383}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 41287680

約数和(自身を除く): 22804100

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 127, 190, 254, 380, 383, 508, 635, 766, 1270, 1532, 1915, 2413, 2540, 3830, 4826, 7277, 7660, 9652, 12065, 14554, 24130, 29108, 36385, 48260, 48641, 72770, 97282, 145540, 194564, 243205, 486410, 924179, 972820, 1848358, 3696716, 4620895, 9241790, 18483580]

約数ペア:

[(1, 18483580), (2, 9241790), (4, 4620895), (5, 3696716), (10, 1848358), (19, 972820), (20, 924179), (38, 486410), (76, 243205), (95, 194564), (127, 145540), (190, 97282), (254, 72770), (380, 48641), (383, 48260), (508, 36385), (635, 29108), (766, 24130), (1270, 14554), (1532, 12065), (1915, 9652), (2413, 7660), (2540, 7277), (3830, 4826)]