18039760

素因数分解:

$2^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{3089}}^1$

素因数の和:3175

約数の個数: 40

約数和(自身を含む): 42530760

約数和(自身を除く): 24491000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 73, 80, 146, 292, 365, 584, 730, 1168, 1460, 2920, 3089, 5840, 6178, 12356, 15445, 24712, 30890, 49424, 61780, 123560, 225497, 247120, 450994, 901988, 1127485, 1803976, 2254970, 3607952, 4509940, 9019880, 18039760]

約数ペア:

[(1, 18039760), (2, 9019880), (4, 4509940), (5, 3607952), (8, 2254970), (10, 1803976), (16, 1127485), (20, 901988), (40, 450994), (73, 247120), (80, 225497), (146, 123560), (292, 61780), (365, 49424), (584, 30890), (730, 24712), (1168, 15445), (1460, 12356), (2920, 6178), (3089, 5840)]