18650870816

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{153743}}^1$

素因数の和:153993

約数の個数: 48

約数和(自身を含む): 39053435904

約数和(自身を除く): 20402565088

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 223, 272, 446, 544, 892, 1784, 3568, 3791, 7136, 7582, 15164, 30328, 60656, 121312, 153743, 307486, 614972, 1229944, 2459888, 2613631, 4919776, 5227262, 10454524, 20909048, 34284689, 41818096, 68569378, 83636192, 137138756, 274277512, 548555024, 582839713, 1097110048, 1165679426, 2331358852, 4662717704, 9325435408, 18650870816]

約数ペア:

[(1, 18650870816), (2, 9325435408), (4, 4662717704), (8, 2331358852), (16, 1165679426), (17, 1097110048), (32, 582839713), (34, 548555024), (68, 274277512), (136, 137138756), (223, 83636192), (272, 68569378), (446, 41818096), (544, 34284689), (892, 20909048), (1784, 10454524), (3568, 5227262), (3791, 4919776), (7136, 2613631), (7582, 2459888), (15164, 1229944), (30328, 614972), (60656, 307486), (121312, 153743)]