19527840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{191}}^1$

素因数の和:283

約数の個数: 144

約数和(自身を含む): 67931136

約数和(自身を除く): 48403296

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 71, 72, 80, 90, 96, 120, 142, 144, 160, 180, 191, 213, 240, 284, 288, 355, 360, 382, 426, 480, 568, 573, 639, 710, 720, 764, 852, 955, 1065, 1136, 1146, 1278, 1420, 1440, 1528, 1704, 1719, 1910, 2130, 2272, 2292, 2556, 2840, 2865, 3056, 3195, 3408, 3438, 3820, 4260, 4584, 5112, 5680, 5730, 6112, 6390, 6816, 6876, 7640, 8520, 8595, 9168, 10224, 11360, 11460, 12780, 13561, 13752, 15280, 17040, 17190, 18336, 20448, 22920, 25560, 27122, 27504, 30560, 34080, 34380, 40683, 45840, 51120, 54244, 55008, 67805, 68760, 81366, 91680, 102240, 108488, 122049, 135610, 137520, 162732, 203415, 216976, 244098, 271220, 275040, 325464, 406830, 433952, 488196, 542440, 610245, 650928, 813660, 976392, 1084880, 1220490, 1301856, 1627320, 1952784, 2169760, 2440980, 3254640, 3905568, 4881960, 6509280, 9763920, 19527840]

約数ペア:

[(1, 19527840), (2, 9763920), (3, 6509280), (4, 4881960), (5, 3905568), (6, 3254640), (8, 2440980), (9, 2169760), (10, 1952784), (12, 1627320), (15, 1301856), (16, 1220490), (18, 1084880), (20, 976392), (24, 813660), (30, 650928), (32, 610245), (36, 542440), (40, 488196), (45, 433952), (48, 406830), (60, 325464), (71, 275040), (72, 271220), (80, 244098), (90, 216976), (96, 203415), (120, 162732), (142, 137520), (144, 135610), (160, 122049), (180, 108488), (191, 102240), (213, 91680), (240, 81366), (284, 68760), (288, 67805), (355, 55008), (360, 54244), (382, 51120), (426, 45840), (480, 40683), (568, 34380), (573, 34080), (639, 30560), (710, 27504), (720, 27122), (764, 25560), (852, 22920), (955, 20448), (1065, 18336), (1136, 17190), (1146, 17040), (1278, 15280), (1420, 13752), (1440, 13561), (1528, 12780), (1704, 11460), (1719, 11360), (1910, 10224), (2130, 9168), (2272, 8595), (2292, 8520), (2556, 7640), (2840, 6876), (2865, 6816), (3056, 6390), (3195, 6112), (3408, 5730), (3438, 5680), (3820, 5112), (4260, 4584)]