18927200

素因数分解:

$2^5\times 5^2\times {\mathrm{59}}^1\times {\mathrm{401}}^1$

素因数の和:480

約数の個数: 72

約数和(自身を含む): 47106360

約数和(自身を除く): 28179160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 59, 80, 100, 118, 160, 200, 236, 295, 400, 401, 472, 590, 800, 802, 944, 1180, 1475, 1604, 1888, 2005, 2360, 2950, 3208, 4010, 4720, 5900, 6416, 8020, 9440, 10025, 11800, 12832, 16040, 20050, 23600, 23659, 32080, 40100, 47200, 47318, 64160, 80200, 94636, 118295, 160400, 189272, 236590, 320800, 378544, 473180, 591475, 757088, 946360, 1182950, 1892720, 2365900, 3785440, 4731800, 9463600, 18927200]

約数ペア:

[(1, 18927200), (2, 9463600), (4, 4731800), (5, 3785440), (8, 2365900), (10, 1892720), (16, 1182950), (20, 946360), (25, 757088), (32, 591475), (40, 473180), (50, 378544), (59, 320800), (80, 236590), (100, 189272), (118, 160400), (160, 118295), (200, 94636), (236, 80200), (295, 64160), (400, 47318), (401, 47200), (472, 40100), (590, 32080), (800, 23659), (802, 23600), (944, 20050), (1180, 16040), (1475, 12832), (1604, 11800), (1888, 10025), (2005, 9440), (2360, 8020), (2950, 6416), (3208, 5900), (4010, 4720)]