18173272

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1$

素因数の和:596

約数の個数: 64

約数和(自身を含む): 40975200

約数和(自身を除く): 22801928

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 442, 494, 541, 646, 884, 988, 1082, 1292, 1768, 1976, 2164, 2584, 4199, 4328, 7033, 8398, 9197, 10279, 14066, 16796, 18394, 20558, 28132, 33592, 36788, 41116, 56264, 73576, 82232, 119561, 133627, 174743, 239122, 267254, 349486, 478244, 534508, 698972, 956488, 1069016, 1397944, 2271659, 4543318, 9086636, 18173272]

約数ペア:

[(1, 18173272), (2, 9086636), (4, 4543318), (8, 2271659), (13, 1397944), (17, 1069016), (19, 956488), (26, 698972), (34, 534508), (38, 478244), (52, 349486), (68, 267254), (76, 239122), (104, 174743), (136, 133627), (152, 119561), (221, 82232), (247, 73576), (323, 56264), (442, 41116), (494, 36788), (541, 33592), (646, 28132), (884, 20558), (988, 18394), (1082, 16796), (1292, 14066), (1768, 10279), (1976, 9197), (2164, 8398), (2584, 7033), (4199, 4328)]