18311940

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{33911}}^1$

素因数の和:33929

約数の個数: 48

約数和(自身を含む): 56972160

約数和(自身を除く): 38660220

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 33911, 67822, 101733, 135644, 169555, 203466, 305199, 339110, 406932, 508665, 610398, 678220, 915597, 1017330, 1220796, 1525995, 1831194, 2034660, 3051990, 3662388, 4577985, 6103980, 9155970, 18311940]

約数ペア:

[(1, 18311940), (2, 9155970), (3, 6103980), (4, 4577985), (5, 3662388), (6, 3051990), (9, 2034660), (10, 1831194), (12, 1525995), (15, 1220796), (18, 1017330), (20, 915597), (27, 678220), (30, 610398), (36, 508665), (45, 406932), (54, 339110), (60, 305199), (90, 203466), (108, 169555), (135, 135644), (180, 101733), (270, 67822), (540, 33911)]