18308524

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1$

素因数の和:322

約数の個数: 48

約数和(自身を含む): 37044000

約数和(自身を除く): 18735476

約数列:

[1, 2, 4, 13, 17, 26, 34, 52, 68, 139, 149, 221, 278, 298, 442, 556, 596, 884, 1807, 1937, 2363, 2533, 3614, 3874, 4726, 5066, 7228, 7748, 9452, 10132, 20711, 30719, 32929, 41422, 61438, 65858, 82844, 122876, 131716, 269243, 352087, 538486, 704174, 1076972, 1408348, 4577131, 9154262, 18308524]

約数ペア:

[(1, 18308524), (2, 9154262), (4, 4577131), (13, 1408348), (17, 1076972), (26, 704174), (34, 538486), (52, 352087), (68, 269243), (139, 131716), (149, 122876), (221, 82844), (278, 65858), (298, 61438), (442, 41422), (556, 32929), (596, 30719), (884, 20711), (1807, 10132), (1937, 9452), (2363, 7748), (2533, 7228), (3614, 5066), (3874, 4726)]