19357640

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{233}}^1$

素因数の和:342

約数の個数: 64

約数和(自身を含む): 45826560

約数和(自身を除く): 26468920

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 67, 124, 134, 155, 233, 248, 268, 310, 335, 466, 536, 620, 670, 932, 1165, 1240, 1340, 1864, 2077, 2330, 2680, 4154, 4660, 7223, 8308, 9320, 10385, 14446, 15611, 16616, 20770, 28892, 31222, 36115, 41540, 57784, 62444, 72230, 78055, 83080, 124888, 144460, 156110, 288920, 312220, 483941, 624440, 967882, 1935764, 2419705, 3871528, 4839410, 9678820, 19357640]

約数ペア:

[(1, 19357640), (2, 9678820), (4, 4839410), (5, 3871528), (8, 2419705), (10, 1935764), (20, 967882), (31, 624440), (40, 483941), (62, 312220), (67, 288920), (124, 156110), (134, 144460), (155, 124888), (233, 83080), (248, 78055), (268, 72230), (310, 62444), (335, 57784), (466, 41540), (536, 36115), (620, 31222), (670, 28892), (932, 20770), (1165, 16616), (1240, 15611), (1340, 14446), (1864, 10385), (2077, 9320), (2330, 8308), (2680, 7223), (4154, 4660)]