18374356

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{353}}^1$

素因数の和:401

約数の個数: 72

約数和(自身を含む): 43533504

約数和(自身を除く): 25159148

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 169, 182, 286, 308, 338, 353, 364, 572, 676, 706, 1001, 1183, 1412, 1859, 2002, 2366, 2471, 3718, 3883, 4004, 4589, 4732, 4942, 7436, 7766, 9178, 9884, 13013, 15532, 18356, 26026, 27181, 32123, 50479, 52052, 54362, 59657, 64246, 100958, 108724, 119314, 128492, 201916, 238628, 353353, 417599, 656227, 706706, 835198, 1312454, 1413412, 1670396, 2624908, 4593589, 9187178, 18374356]

約数ペア:

[(1, 18374356), (2, 9187178), (4, 4593589), (7, 2624908), (11, 1670396), (13, 1413412), (14, 1312454), (22, 835198), (26, 706706), (28, 656227), (44, 417599), (52, 353353), (77, 238628), (91, 201916), (143, 128492), (154, 119314), (169, 108724), (182, 100958), (286, 64246), (308, 59657), (338, 54362), (353, 52052), (364, 50479), (572, 32123), (676, 27181), (706, 26026), (1001, 18356), (1183, 15532), (1412, 13013), (1859, 9884), (2002, 9178), (2366, 7766), (2471, 7436), (3718, 4942), (3883, 4732), (4004, 4589)]