19594418

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{89}}^1$

素因数の和:242

約数の個数: 32

約数和(自身を含む): 31726080

約数和(自身を除く): 12131662

約数列:

[1, 2, 31, 53, 62, 67, 89, 106, 134, 178, 1643, 2077, 2759, 3286, 3551, 4154, 4717, 5518, 5963, 7102, 9434, 11926, 110081, 146227, 184853, 220162, 292454, 316039, 369706, 632078, 9797209, 19594418]

約数ペア:

[(1, 19594418), (2, 9797209), (31, 632078), (53, 369706), (62, 316039), (67, 292454), (89, 220162), (106, 184853), (134, 146227), (178, 110081), (1643, 11926), (2077, 9434), (2759, 7102), (3286, 5963), (3551, 5518), (4154, 4717)]