19315890

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{179}}^1$

素因数の和:312

約数の個数: 96

約数和(自身を含む): 55598400

約数和(自身を除く): 36282510

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 109, 110, 165, 179, 198, 218, 327, 330, 358, 495, 537, 545, 654, 895, 981, 990, 1074, 1090, 1199, 1611, 1635, 1790, 1962, 1969, 2398, 2685, 3222, 3270, 3597, 3938, 4905, 5370, 5907, 5995, 7194, 8055, 9810, 9845, 10791, 11814, 11990, 16110, 17721, 17985, 19511, 19690, 21582, 29535, 35442, 35970, 39022, 53955, 58533, 59070, 88605, 97555, 107910, 117066, 175599, 177210, 195110, 214621, 292665, 351198, 429242, 585330, 643863, 877995, 1073105, 1287726, 1755990, 1931589, 2146210, 3219315, 3863178, 6438630, 9657945, 19315890]

約数ペア:

[(1, 19315890), (2, 9657945), (3, 6438630), (5, 3863178), (6, 3219315), (9, 2146210), (10, 1931589), (11, 1755990), (15, 1287726), (18, 1073105), (22, 877995), (30, 643863), (33, 585330), (45, 429242), (55, 351198), (66, 292665), (90, 214621), (99, 195110), (109, 177210), (110, 175599), (165, 117066), (179, 107910), (198, 97555), (218, 88605), (327, 59070), (330, 58533), (358, 53955), (495, 39022), (537, 35970), (545, 35442), (654, 29535), (895, 21582), (981, 19690), (990, 19511), (1074, 17985), (1090, 17721), (1199, 16110), (1611, 11990), (1635, 11814), (1790, 10791), (1962, 9845), (1969, 9810), (2398, 8055), (2685, 7194), (3222, 5995), (3270, 5907), (3597, 5370), (3938, 4905)]