18983470

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{293}}^1$

素因数の和:361

約数の個数: 64

約数和(自身を含む): 40642560

約数和(自身を除く): 21659090

約数列:

[1, 2, 5, 10, 11, 19, 22, 31, 38, 55, 62, 95, 110, 155, 190, 209, 293, 310, 341, 418, 586, 589, 682, 1045, 1178, 1465, 1705, 2090, 2930, 2945, 3223, 3410, 5567, 5890, 6446, 6479, 9083, 11134, 12958, 16115, 18166, 27835, 32230, 32395, 45415, 55670, 61237, 64790, 90830, 99913, 122474, 172577, 199826, 306185, 345154, 499565, 612370, 862885, 999130, 1725770, 1898347, 3796694, 9491735, 18983470]

約数ペア:

[(1, 18983470), (2, 9491735), (5, 3796694), (10, 1898347), (11, 1725770), (19, 999130), (22, 862885), (31, 612370), (38, 499565), (55, 345154), (62, 306185), (95, 199826), (110, 172577), (155, 122474), (190, 99913), (209, 90830), (293, 64790), (310, 61237), (341, 55670), (418, 45415), (586, 32395), (589, 32230), (682, 27835), (1045, 18166), (1178, 16115), (1465, 12958), (1705, 11134), (2090, 9083), (2930, 6479), (2945, 6446), (3223, 5890), (3410, 5567)]