18262972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{383}}^1$

素因数の和:538

約数の個数: 48

約数和(自身を含む): 39739392

約数和(自身を除く): 21476420

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 131, 182, 262, 364, 383, 524, 766, 917, 1532, 1703, 1834, 2681, 3406, 3668, 4979, 5362, 6812, 9958, 10724, 11921, 19916, 23842, 34853, 47684, 50173, 69706, 100346, 139412, 200692, 351211, 652249, 702422, 1304498, 1404844, 2608996, 4565743, 9131486, 18262972]

約数ペア:

[(1, 18262972), (2, 9131486), (4, 4565743), (7, 2608996), (13, 1404844), (14, 1304498), (26, 702422), (28, 652249), (52, 351211), (91, 200692), (131, 139412), (182, 100346), (262, 69706), (364, 50173), (383, 47684), (524, 34853), (766, 23842), (917, 19916), (1532, 11921), (1703, 10724), (1834, 9958), (2681, 6812), (3406, 5362), (3668, 4979)]