18869085

素因数分解:

$3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:199

約数の個数: 64

約数和(自身を含む): 35942400

約数和(自身を除く): 17073315

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 59, 69, 103, 115, 135, 177, 207, 295, 309, 345, 515, 531, 621, 885, 927, 1035, 1357, 1545, 1593, 2369, 2655, 2781, 3105, 4071, 4635, 6077, 6785, 7107, 7965, 11845, 12213, 13905, 18231, 20355, 21321, 30385, 35535, 36639, 54693, 61065, 63963, 91155, 106605, 139771, 164079, 183195, 273465, 319815, 419313, 698855, 820395, 1257939, 2096565, 3773817, 6289695, 18869085]

約数ペア:

[(1, 18869085), (3, 6289695), (5, 3773817), (9, 2096565), (15, 1257939), (23, 820395), (27, 698855), (45, 419313), (59, 319815), (69, 273465), (103, 183195), (115, 164079), (135, 139771), (177, 106605), (207, 91155), (295, 63963), (309, 61065), (345, 54693), (515, 36639), (531, 35535), (621, 30385), (885, 21321), (927, 20355), (1035, 18231), (1357, 13905), (1545, 12213), (1593, 11845), (2369, 7965), (2655, 7107), (2781, 6785), (3105, 6077), (4071, 4635)]