18420246

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{353}}^1$

素因数の和:597

約数の個数: 48

約数和(自身を含む): 43295616

約数和(自身を除く): 24875370

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 223, 234, 353, 446, 669, 706, 1059, 1338, 2007, 2118, 2899, 3177, 4014, 4589, 5798, 6354, 8697, 9178, 13767, 17394, 26091, 27534, 41301, 52182, 78719, 82602, 157438, 236157, 472314, 708471, 1023347, 1416942, 2046694, 3070041, 6140082, 9210123, 18420246]

約数ペア:

[(1, 18420246), (2, 9210123), (3, 6140082), (6, 3070041), (9, 2046694), (13, 1416942), (18, 1023347), (26, 708471), (39, 472314), (78, 236157), (117, 157438), (223, 82602), (234, 78719), (353, 52182), (446, 41301), (669, 27534), (706, 26091), (1059, 17394), (1338, 13767), (2007, 9178), (2118, 8697), (2899, 6354), (3177, 5798), (4014, 4589)]