18303520

素因数分解:

$2^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{823}}^1$

素因数の和:977

約数の個数: 48

約数和(自身を含む): 43606080

約数和(自身を除く): 25302560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 139, 160, 278, 556, 695, 823, 1112, 1390, 1646, 2224, 2780, 3292, 4115, 4448, 5560, 6584, 8230, 11120, 13168, 16460, 22240, 26336, 32920, 65840, 114397, 131680, 228794, 457588, 571985, 915176, 1143970, 1830352, 2287940, 3660704, 4575880, 9151760, 18303520]

約数ペア:

[(1, 18303520), (2, 9151760), (4, 4575880), (5, 3660704), (8, 2287940), (10, 1830352), (16, 1143970), (20, 915176), (32, 571985), (40, 457588), (80, 228794), (139, 131680), (160, 114397), (278, 65840), (556, 32920), (695, 26336), (823, 22240), (1112, 16460), (1390, 13168), (1646, 11120), (2224, 8230), (2780, 6584), (3292, 5560), (4115, 4448)]