17996325

素因数分解:

$3^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{173}}^1$

素因数の和:278

約数の個数: 48

約数和(自身を含む): 31932480

約数和(自身を除く): 13936155

約数列:

[1, 3, 5, 15, 19, 25, 57, 73, 75, 95, 173, 219, 285, 365, 475, 519, 865, 1095, 1387, 1425, 1825, 2595, 3287, 4161, 4325, 5475, 6935, 9861, 12629, 12975, 16435, 20805, 34675, 37887, 49305, 63145, 82175, 104025, 189435, 239951, 246525, 315725, 719853, 947175, 1199755, 3599265, 5998775, 17996325]

約数ペア:

[(1, 17996325), (3, 5998775), (5, 3599265), (15, 1199755), (19, 947175), (25, 719853), (57, 315725), (73, 246525), (75, 239951), (95, 189435), (173, 104025), (219, 82175), (285, 63145), (365, 49305), (475, 37887), (519, 34675), (865, 20805), (1095, 16435), (1387, 12975), (1425, 12629), (1825, 9861), (2595, 6935), (3287, 5475), (4161, 4325)]