18080348

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{433}}^1$

素因数の和:534

約数の個数: 48

約数和(自身を含む): 37768416

約数和(自身を除く): 19688068

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 73, 143, 146, 286, 292, 433, 572, 803, 866, 949, 1606, 1732, 1898, 3212, 3796, 4763, 5629, 9526, 10439, 11258, 19052, 20878, 22516, 31609, 41756, 61919, 63218, 123838, 126436, 247676, 347699, 410917, 695398, 821834, 1390796, 1643668, 4520087, 9040174, 18080348]

約数ペア:

[(1, 18080348), (2, 9040174), (4, 4520087), (11, 1643668), (13, 1390796), (22, 821834), (26, 695398), (44, 410917), (52, 347699), (73, 247676), (143, 126436), (146, 123838), (286, 63218), (292, 61919), (433, 41756), (572, 31609), (803, 22516), (866, 20878), (949, 19052), (1606, 11258), (1732, 10439), (1898, 9526), (3212, 5629), (3796, 4763)]