218964170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{26801}}^1$

素因数の和:26870

約数の個数: 32

約数和(自身を含む): 424543680

約数和(自身を除く): 205579510

約数列:

[1, 2, 5, 10, 19, 38, 43, 86, 95, 190, 215, 430, 817, 1634, 4085, 8170, 26801, 53602, 134005, 268010, 509219, 1018438, 1152443, 2304886, 2546095, 5092190, 5762215, 11524430, 21896417, 43792834, 109482085, 218964170]

約数ペア:

[(1, 218964170), (2, 109482085), (5, 43792834), (10, 21896417), (19, 11524430), (38, 5762215), (43, 5092190), (86, 2546095), (95, 2304886), (190, 1152443), (215, 1018438), (430, 509219), (817, 268010), (1634, 134005), (4085, 53602), (8170, 26801)]