18462980

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:444

約数の個数: 48

約数和(自身を含む): 40567296

約数和(自身を除く): 22104316

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 97, 124, 155, 194, 307, 310, 388, 485, 614, 620, 970, 1228, 1535, 1940, 3007, 3070, 6014, 6140, 9517, 12028, 15035, 19034, 29779, 30070, 38068, 47585, 59558, 60140, 95170, 119116, 148895, 190340, 297790, 595580, 923149, 1846298, 3692596, 4615745, 9231490, 18462980]

約数ペア:

[(1, 18462980), (2, 9231490), (4, 4615745), (5, 3692596), (10, 1846298), (20, 923149), (31, 595580), (62, 297790), (97, 190340), (124, 148895), (155, 119116), (194, 95170), (307, 60140), (310, 59558), (388, 47585), (485, 38068), (614, 30070), (620, 29779), (970, 19034), (1228, 15035), (1535, 12028), (1940, 9517), (3007, 6140), (3070, 6014)]