18773865

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 39626496

約数和(自身を除く): 20852631

約数列:

[1, 3, 5, 9, 11, 15, 17, 23, 33, 45, 51, 55, 69, 85, 97, 99, 115, 153, 165, 187, 207, 253, 255, 291, 345, 391, 485, 495, 561, 759, 765, 873, 935, 1035, 1067, 1173, 1265, 1455, 1649, 1683, 1955, 2231, 2277, 2805, 3201, 3519, 3795, 4301, 4365, 4947, 5335, 5865, 6693, 8245, 8415, 9603, 11155, 11385, 12903, 14841, 16005, 17595, 18139, 20079, 21505, 24541, 24735, 33465, 37927, 38709, 48015, 54417, 64515, 73623, 74205, 90695, 100395, 113781, 122705, 163251, 189635, 193545, 220869, 272085, 341343, 368115, 417197, 568905, 816255, 1104345, 1251591, 1706715, 2085985, 3754773, 6257955, 18773865]

約数ペア:

[(1, 18773865), (3, 6257955), (5, 3754773), (9, 2085985), (11, 1706715), (15, 1251591), (17, 1104345), (23, 816255), (33, 568905), (45, 417197), (51, 368115), (55, 341343), (69, 272085), (85, 220869), (97, 193545), (99, 189635), (115, 163251), (153, 122705), (165, 113781), (187, 100395), (207, 90695), (253, 74205), (255, 73623), (291, 64515), (345, 54417), (391, 48015), (485, 38709), (495, 37927), (561, 33465), (759, 24735), (765, 24541), (873, 21505), (935, 20079), (1035, 18139), (1067, 17595), (1173, 16005), (1265, 14841), (1455, 12903), (1649, 11385), (1683, 11155), (1955, 9603), (2231, 8415), (2277, 8245), (2805, 6693), (3201, 5865), (3519, 5335), (3795, 4947), (4301, 4365)]