18380670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{109}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 56263680

約数和(自身を除く): 37883010

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 73, 77, 105, 109, 110, 146, 154, 165, 210, 218, 219, 231, 327, 330, 365, 385, 438, 462, 511, 545, 654, 730, 763, 770, 803, 1022, 1090, 1095, 1155, 1199, 1526, 1533, 1606, 1635, 2190, 2289, 2310, 2398, 2409, 2555, 3066, 3270, 3597, 3815, 4015, 4578, 4818, 5110, 5621, 5995, 7194, 7630, 7665, 7957, 8030, 8393, 11242, 11445, 11990, 12045, 15330, 15914, 16786, 16863, 17985, 22890, 23871, 24090, 25179, 28105, 33726, 35970, 39785, 41965, 47742, 50358, 55699, 56210, 79570, 83930, 84315, 87527, 111398, 119355, 125895, 167097, 168630, 175054, 238710, 251790, 262581, 278495, 334194, 437635, 525162, 556990, 612689, 835485, 875270, 1225378, 1312905, 1670970, 1838067, 2625810, 3063445, 3676134, 6126890, 9190335, 18380670]

約数ペア:

[(1, 18380670), (2, 9190335), (3, 6126890), (5, 3676134), (6, 3063445), (7, 2625810), (10, 1838067), (11, 1670970), (14, 1312905), (15, 1225378), (21, 875270), (22, 835485), (30, 612689), (33, 556990), (35, 525162), (42, 437635), (55, 334194), (66, 278495), (70, 262581), (73, 251790), (77, 238710), (105, 175054), (109, 168630), (110, 167097), (146, 125895), (154, 119355), (165, 111398), (210, 87527), (218, 84315), (219, 83930), (231, 79570), (327, 56210), (330, 55699), (365, 50358), (385, 47742), (438, 41965), (462, 39785), (511, 35970), (545, 33726), (654, 28105), (730, 25179), (763, 24090), (770, 23871), (803, 22890), (1022, 17985), (1090, 16863), (1095, 16786), (1155, 15914), (1199, 15330), (1526, 12045), (1533, 11990), (1606, 11445), (1635, 11242), (2190, 8393), (2289, 8030), (2310, 7957), (2398, 7665), (2409, 7630), (2555, 7194), (3066, 5995), (3270, 5621), (3597, 5110), (3815, 4818), (4015, 4578)]