15642738

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{863}}^1$

素因数の和:943

約数の個数: 48

約数和(自身を含む): 36391680

約数和(自身を除く): 20748942

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 53, 57, 106, 114, 159, 171, 318, 342, 477, 863, 954, 1007, 1726, 2014, 2589, 3021, 5178, 6042, 7767, 9063, 15534, 16397, 18126, 32794, 45739, 49191, 91478, 98382, 137217, 147573, 274434, 295146, 411651, 823302, 869041, 1738082, 2607123, 5214246, 7821369, 15642738]

約数ペア:

[(1, 15642738), (2, 7821369), (3, 5214246), (6, 2607123), (9, 1738082), (18, 869041), (19, 823302), (38, 411651), (53, 295146), (57, 274434), (106, 147573), (114, 137217), (159, 98382), (171, 91478), (318, 49191), (342, 45739), (477, 32794), (863, 18126), (954, 16397), (1007, 15534), (1726, 9063), (2014, 7767), (2589, 6042), (3021, 5178)]