19335940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2399}}^1$

素因数の和:2452

約数の個数: 48

約数和(自身を含む): 45158400

約数和(自身を除く): 25822460

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 2399, 4030, 4798, 8060, 9596, 11995, 23990, 31187, 47980, 62374, 74369, 124748, 148738, 155935, 297476, 311870, 371845, 623740, 743690, 966797, 1487380, 1933594, 3867188, 4833985, 9667970, 19335940]

約数ペア:

[(1, 19335940), (2, 9667970), (4, 4833985), (5, 3867188), (10, 1933594), (13, 1487380), (20, 966797), (26, 743690), (31, 623740), (52, 371845), (62, 311870), (65, 297476), (124, 155935), (130, 148738), (155, 124748), (260, 74369), (310, 62374), (403, 47980), (620, 31187), (806, 23990), (1612, 11995), (2015, 9596), (2399, 8060), (4030, 4798)]