18426148

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{157}}^1$

素因数の和:272

約数の個数: 48

約数和(自身を含む): 36480304

約数和(自身を除く): 18054156

約数列:

[1, 2, 4, 13, 26, 37, 52, 61, 74, 122, 148, 157, 244, 314, 481, 628, 793, 962, 1586, 1924, 2041, 2257, 3172, 4082, 4514, 5809, 8164, 9028, 9577, 11618, 19154, 23236, 29341, 38308, 58682, 75517, 117364, 124501, 151034, 249002, 302068, 354349, 498004, 708698, 1417396, 4606537, 9213074, 18426148]

約数ペア:

[(1, 18426148), (2, 9213074), (4, 4606537), (13, 1417396), (26, 708698), (37, 498004), (52, 354349), (61, 302068), (74, 249002), (122, 151034), (148, 124501), (157, 117364), (244, 75517), (314, 58682), (481, 38308), (628, 29341), (793, 23236), (962, 19154), (1586, 11618), (1924, 9577), (2041, 9028), (2257, 8164), (3172, 5809), (4082, 4514)]