18822128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5323}}^1$

素因数の和:5361

約数の個数: 40

約数和(自身を含む): 41591088

約数和(自身を除く): 22768960

約数列:

[1, 2, 4, 8, 13, 16, 17, 26, 34, 52, 68, 104, 136, 208, 221, 272, 442, 884, 1768, 3536, 5323, 10646, 21292, 42584, 69199, 85168, 90491, 138398, 180982, 276796, 361964, 553592, 723928, 1107184, 1176383, 1447856, 2352766, 4705532, 9411064, 18822128]

約数ペア:

[(1, 18822128), (2, 9411064), (4, 4705532), (8, 2352766), (13, 1447856), (16, 1176383), (17, 1107184), (26, 723928), (34, 553592), (52, 361964), (68, 276796), (104, 180982), (136, 138398), (208, 90491), (221, 85168), (272, 69199), (442, 42584), (884, 21292), (1768, 10646), (3536, 5323)]