19614240

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{257}}^1$

素因数の和:331

約数の個数: 144

約数和(自身を含む): 68461848

約数和(自身を除く): 48847608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 53, 60, 72, 80, 90, 96, 106, 120, 144, 159, 160, 180, 212, 240, 257, 265, 288, 318, 360, 424, 477, 480, 514, 530, 636, 720, 771, 795, 848, 954, 1028, 1060, 1272, 1285, 1440, 1542, 1590, 1696, 1908, 2056, 2120, 2313, 2385, 2544, 2570, 3084, 3180, 3816, 3855, 4112, 4240, 4626, 4770, 5088, 5140, 6168, 6360, 7632, 7710, 8224, 8480, 9252, 9540, 10280, 11565, 12336, 12720, 13621, 15264, 15420, 18504, 19080, 20560, 23130, 24672, 25440, 27242, 30840, 37008, 38160, 40863, 41120, 46260, 54484, 61680, 68105, 74016, 76320, 81726, 92520, 108968, 122589, 123360, 136210, 163452, 185040, 204315, 217936, 245178, 272420, 326904, 370080, 408630, 435872, 490356, 544840, 612945, 653808, 817260, 980712, 1089680, 1225890, 1307616, 1634520, 1961424, 2179360, 2451780, 3269040, 3922848, 4903560, 6538080, 9807120, 19614240]

約数ペア:

[(1, 19614240), (2, 9807120), (3, 6538080), (4, 4903560), (5, 3922848), (6, 3269040), (8, 2451780), (9, 2179360), (10, 1961424), (12, 1634520), (15, 1307616), (16, 1225890), (18, 1089680), (20, 980712), (24, 817260), (30, 653808), (32, 612945), (36, 544840), (40, 490356), (45, 435872), (48, 408630), (53, 370080), (60, 326904), (72, 272420), (80, 245178), (90, 217936), (96, 204315), (106, 185040), (120, 163452), (144, 136210), (159, 123360), (160, 122589), (180, 108968), (212, 92520), (240, 81726), (257, 76320), (265, 74016), (288, 68105), (318, 61680), (360, 54484), (424, 46260), (477, 41120), (480, 40863), (514, 38160), (530, 37008), (636, 30840), (720, 27242), (771, 25440), (795, 24672), (848, 23130), (954, 20560), (1028, 19080), (1060, 18504), (1272, 15420), (1285, 15264), (1440, 13621), (1542, 12720), (1590, 12336), (1696, 11565), (1908, 10280), (2056, 9540), (2120, 9252), (2313, 8480), (2385, 8224), (2544, 7710), (2570, 7632), (3084, 6360), (3180, 6168), (3816, 5140), (3855, 5088), (4112, 4770), (4240, 4626)]