18977880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{947}}^1$

素因数の和:1128

約数の個数: 64

約数和(自身を含む): 57335040

約数和(自身を除く): 38357160

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 167, 334, 501, 668, 835, 947, 1002, 1336, 1670, 1894, 2004, 2505, 2841, 3340, 3788, 4008, 4735, 5010, 5682, 6680, 7576, 9470, 10020, 11364, 14205, 18940, 20040, 22728, 28410, 37880, 56820, 113640, 158149, 316298, 474447, 632596, 790745, 948894, 1265192, 1581490, 1897788, 2372235, 3162980, 3795576, 4744470, 6325960, 9488940, 18977880]

約数ペア:

[(1, 18977880), (2, 9488940), (3, 6325960), (4, 4744470), (5, 3795576), (6, 3162980), (8, 2372235), (10, 1897788), (12, 1581490), (15, 1265192), (20, 948894), (24, 790745), (30, 632596), (40, 474447), (60, 316298), (120, 158149), (167, 113640), (334, 56820), (501, 37880), (668, 28410), (835, 22728), (947, 20040), (1002, 18940), (1336, 14205), (1670, 11364), (1894, 10020), (2004, 9470), (2505, 7576), (2841, 6680), (3340, 5682), (3788, 5010), (4008, 4735)]