18811401

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 33177600

約数和(自身を除く): 14366199

約数列:

[1, 3, 7, 17, 21, 23, 29, 51, 69, 79, 87, 119, 161, 203, 237, 357, 391, 483, 493, 553, 609, 667, 1173, 1343, 1479, 1659, 1817, 2001, 2291, 2737, 3451, 4029, 4669, 5451, 6873, 8211, 9401, 10353, 11339, 12719, 14007, 16037, 28203, 30889, 34017, 38157, 38947, 48111, 52693, 79373, 92667, 116841, 158079, 216223, 238119, 272629, 368851, 648669, 817887, 895781, 1106553, 2687343, 6270467, 18811401]

約数ペア:

[(1, 18811401), (3, 6270467), (7, 2687343), (17, 1106553), (21, 895781), (23, 817887), (29, 648669), (51, 368851), (69, 272629), (79, 238119), (87, 216223), (119, 158079), (161, 116841), (203, 92667), (237, 79373), (357, 52693), (391, 48111), (483, 38947), (493, 38157), (553, 34017), (609, 30889), (667, 28203), (1173, 16037), (1343, 14007), (1479, 12719), (1659, 11339), (1817, 10353), (2001, 9401), (2291, 8211), (2737, 6873), (3451, 5451), (4029, 4669)]