19331390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{4019}}^1$

素因数の和:4076

約数の個数: 32

約数和(自身を含む): 38495520

約数和(自身を除く): 19164130

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 481, 962, 2405, 4019, 4810, 8038, 20095, 40190, 52247, 104494, 148703, 261235, 297406, 522470, 743515, 1487030, 1933139, 3866278, 9665695, 19331390]

約数ペア:

[(1, 19331390), (2, 9665695), (5, 3866278), (10, 1933139), (13, 1487030), (26, 743515), (37, 522470), (65, 297406), (74, 261235), (130, 148703), (185, 104494), (370, 52247), (481, 40190), (962, 20095), (2405, 8038), (4019, 4810)]