18509520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{233}}^1\times {\mathrm{331}}^1$

素因数の和:580

約数の個数: 80

約数和(自身を含む): 57799872

約数和(自身を除く): 39290352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 233, 240, 331, 466, 662, 699, 932, 993, 1165, 1324, 1398, 1655, 1864, 1986, 2330, 2648, 2796, 3310, 3495, 3728, 3972, 4660, 4965, 5296, 5592, 6620, 6990, 7944, 9320, 9930, 11184, 13240, 13980, 15888, 18640, 19860, 26480, 27960, 39720, 55920, 77123, 79440, 154246, 231369, 308492, 385615, 462738, 616984, 771230, 925476, 1156845, 1233968, 1542460, 1850952, 2313690, 3084920, 3701904, 4627380, 6169840, 9254760, 18509520]

約数ペア:

[(1, 18509520), (2, 9254760), (3, 6169840), (4, 4627380), (5, 3701904), (6, 3084920), (8, 2313690), (10, 1850952), (12, 1542460), (15, 1233968), (16, 1156845), (20, 925476), (24, 771230), (30, 616984), (40, 462738), (48, 385615), (60, 308492), (80, 231369), (120, 154246), (233, 79440), (240, 77123), (331, 55920), (466, 39720), (662, 27960), (699, 26480), (932, 19860), (993, 18640), (1165, 15888), (1324, 13980), (1398, 13240), (1655, 11184), (1864, 9930), (1986, 9320), (2330, 7944), (2648, 6990), (2796, 6620), (3310, 5592), (3495, 5296), (3728, 4965), (3972, 4660)]