18721968

素因数分解:

$2^4\times 3^1\times {\mathrm{179}}^1\times {\mathrm{2179}}^1$

素因数の和:2369

約数の個数: 40

約数和(自身を含む): 48657600

約数和(自身を除く): 29935632

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 179, 358, 537, 716, 1074, 1432, 2148, 2179, 2864, 4296, 4358, 6537, 8592, 8716, 13074, 17432, 26148, 34864, 52296, 104592, 390041, 780082, 1170123, 1560164, 2340246, 3120328, 4680492, 6240656, 9360984, 18721968]

約数ペア:

[(1, 18721968), (2, 9360984), (3, 6240656), (4, 4680492), (6, 3120328), (8, 2340246), (12, 1560164), (16, 1170123), (24, 780082), (48, 390041), (179, 104592), (358, 52296), (537, 34864), (716, 26148), (1074, 17432), (1432, 13074), (2148, 8716), (2179, 8592), (2864, 6537), (4296, 4358)]