19419280

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{3623}}^1$

素因数の和:3703

約数の個数: 40

約数和(自身を含む): 45836352

約数和(自身を除く): 26417072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 536, 670, 1072, 1340, 2680, 3623, 5360, 7246, 14492, 18115, 28984, 36230, 57968, 72460, 144920, 242741, 289840, 485482, 970964, 1213705, 1941928, 2427410, 3883856, 4854820, 9709640, 19419280]

約数ペア:

[(1, 19419280), (2, 9709640), (4, 4854820), (5, 3883856), (8, 2427410), (10, 1941928), (16, 1213705), (20, 970964), (40, 485482), (67, 289840), (80, 242741), (134, 144920), (268, 72460), (335, 57968), (536, 36230), (670, 28984), (1072, 18115), (1340, 14492), (2680, 7246), (3623, 5360)]