19810024

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{2843}}^1$

素因数の和:2929

約数の個数: 32

約数和(自身を含む): 40612320

約数和(自身を除く): 20802296

約数列:

[1, 2, 4, 8, 13, 26, 52, 67, 104, 134, 268, 536, 871, 1742, 2843, 3484, 5686, 6968, 11372, 22744, 36959, 73918, 147836, 190481, 295672, 380962, 761924, 1523848, 2476253, 4952506, 9905012, 19810024]

約数ペア:

[(1, 19810024), (2, 9905012), (4, 4952506), (8, 2476253), (13, 1523848), (26, 761924), (52, 380962), (67, 295672), (104, 190481), (134, 147836), (268, 73918), (536, 36959), (871, 22744), (1742, 11372), (2843, 6968), (3484, 5686)]