18723042

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:352

約数の個数: 64

約数和(自身を含む): 45360000

約数和(自身を除く): 26636958

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 117, 149, 179, 234, 298, 351, 358, 447, 537, 702, 894, 1074, 1341, 1611, 1937, 2327, 2682, 3222, 3874, 4023, 4654, 4833, 5811, 6981, 8046, 9666, 11622, 13962, 17433, 20943, 26671, 34866, 41886, 52299, 53342, 62829, 80013, 104598, 125658, 160026, 240039, 346723, 480078, 693446, 720117, 1040169, 1440234, 2080338, 3120507, 6241014, 9361521, 18723042]

約数ペア:

[(1, 18723042), (2, 9361521), (3, 6241014), (6, 3120507), (9, 2080338), (13, 1440234), (18, 1040169), (26, 720117), (27, 693446), (39, 480078), (54, 346723), (78, 240039), (117, 160026), (149, 125658), (179, 104598), (234, 80013), (298, 62829), (351, 53342), (358, 52299), (447, 41886), (537, 34866), (702, 26671), (894, 20943), (1074, 17433), (1341, 13962), (1611, 11622), (1937, 9666), (2327, 8046), (2682, 6981), (3222, 5811), (3874, 4833), (4023, 4654)]