18983000

素因数分解:

$2^3\times 5^3\times {\mathrm{41}}^1\times {\mathrm{463}}^1$

素因数の和:525

約数の個数: 64

約数和(自身を含む): 45601920

約数和(自身を除く): 26618920

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 41, 50, 82, 100, 125, 164, 200, 205, 250, 328, 410, 463, 500, 820, 926, 1000, 1025, 1640, 1852, 2050, 2315, 3704, 4100, 4630, 5125, 8200, 9260, 10250, 11575, 18520, 18983, 20500, 23150, 37966, 41000, 46300, 57875, 75932, 92600, 94915, 115750, 151864, 189830, 231500, 379660, 463000, 474575, 759320, 949150, 1898300, 2372875, 3796600, 4745750, 9491500, 18983000]

約数ペア:

[(1, 18983000), (2, 9491500), (4, 4745750), (5, 3796600), (8, 2372875), (10, 1898300), (20, 949150), (25, 759320), (40, 474575), (41, 463000), (50, 379660), (82, 231500), (100, 189830), (125, 151864), (164, 115750), (200, 94915), (205, 92600), (250, 75932), (328, 57875), (410, 46300), (463, 41000), (500, 37966), (820, 23150), (926, 20500), (1000, 18983), (1025, 18520), (1640, 11575), (1852, 10250), (2050, 9260), (2315, 8200), (3704, 5125), (4100, 4630)]