19380088

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{3803}}^1$

素因数の和:3836

約数の個数: 48

約数和(自身を含む): 45533880

約数和(自身を除く): 26153792

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 49, 52, 56, 91, 98, 104, 182, 196, 364, 392, 637, 728, 1274, 2548, 3803, 5096, 7606, 15212, 26621, 30424, 49439, 53242, 98878, 106484, 186347, 197756, 212968, 346073, 372694, 395512, 692146, 745388, 1384292, 1490776, 2422511, 2768584, 4845022, 9690044, 19380088]

約数ペア:

[(1, 19380088), (2, 9690044), (4, 4845022), (7, 2768584), (8, 2422511), (13, 1490776), (14, 1384292), (26, 745388), (28, 692146), (49, 395512), (52, 372694), (56, 346073), (91, 212968), (98, 197756), (104, 186347), (182, 106484), (196, 98878), (364, 53242), (392, 49439), (637, 30424), (728, 26621), (1274, 15212), (2548, 7606), (3803, 5096)]