18946830

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{12889}}^1$

素因数の和:12913

約数の個数: 48

約数和(自身を含む): 52900560

約数和(自身を除く): 33953730

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 49, 70, 98, 105, 147, 210, 245, 294, 490, 735, 1470, 12889, 25778, 38667, 64445, 77334, 90223, 128890, 180446, 193335, 270669, 386670, 451115, 541338, 631561, 902230, 1263122, 1353345, 1894683, 2706690, 3157805, 3789366, 6315610, 9473415, 18946830]

約数ペア:

[(1, 18946830), (2, 9473415), (3, 6315610), (5, 3789366), (6, 3157805), (7, 2706690), (10, 1894683), (14, 1353345), (15, 1263122), (21, 902230), (30, 631561), (35, 541338), (42, 451115), (49, 386670), (70, 270669), (98, 193335), (105, 180446), (147, 128890), (210, 90223), (245, 77334), (294, 64445), (490, 38667), (735, 25778), (1470, 12889)]