18228312

素因数分解:

$2^3\times 3^2\times {\mathrm{409}}^1\times {\mathrm{619}}^1$

素因数の和:1040

約数の個数: 48

約数和(自身を含む): 49569000

約数和(自身を除く): 31340688

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 409, 619, 818, 1227, 1238, 1636, 1857, 2454, 2476, 3272, 3681, 3714, 4908, 4952, 5571, 7362, 7428, 9816, 11142, 14724, 14856, 22284, 29448, 44568, 253171, 506342, 759513, 1012684, 1519026, 2025368, 2278539, 3038052, 4557078, 6076104, 9114156, 18228312]

約数ペア:

[(1, 18228312), (2, 9114156), (3, 6076104), (4, 4557078), (6, 3038052), (8, 2278539), (9, 2025368), (12, 1519026), (18, 1012684), (24, 759513), (36, 506342), (72, 253171), (409, 44568), (619, 29448), (818, 22284), (1227, 14856), (1238, 14724), (1636, 11142), (1857, 9816), (2454, 7428), (2476, 7362), (3272, 5571), (3681, 4952), (3714, 4908)]