18695520

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{12983}}^1$

素因数の和:13004

約数の個数: 72

約数和(自身を含む): 63803376

約数和(自身を除く): 45107856

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 12983, 25966, 38949, 51932, 64915, 77898, 103864, 116847, 129830, 155796, 194745, 207728, 233694, 259660, 311592, 389490, 415456, 467388, 519320, 584235, 623184, 778980, 934776, 1038640, 1168470, 1246368, 1557960, 1869552, 2077280, 2336940, 3115920, 3739104, 4673880, 6231840, 9347760, 18695520]

約数ペア:

[(1, 18695520), (2, 9347760), (3, 6231840), (4, 4673880), (5, 3739104), (6, 3115920), (8, 2336940), (9, 2077280), (10, 1869552), (12, 1557960), (15, 1246368), (16, 1168470), (18, 1038640), (20, 934776), (24, 778980), (30, 623184), (32, 584235), (36, 519320), (40, 467388), (45, 415456), (48, 389490), (60, 311592), (72, 259660), (80, 233694), (90, 207728), (96, 194745), (120, 155796), (144, 129830), (160, 116847), (180, 103864), (240, 77898), (288, 64915), (360, 51932), (480, 38949), (720, 25966), (1440, 12983)]