19543920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{673}}^1$

素因数の和:711

約数の個数: 120

約数和(自身を含む): 66693648

約数和(自身を除く): 47149728

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 121, 132, 165, 176, 220, 240, 242, 264, 330, 363, 440, 484, 528, 605, 660, 673, 726, 880, 968, 1210, 1320, 1346, 1452, 1815, 1936, 2019, 2420, 2640, 2692, 2904, 3365, 3630, 4038, 4840, 5384, 5808, 6730, 7260, 7403, 8076, 9680, 10095, 10768, 13460, 14520, 14806, 16152, 20190, 22209, 26920, 29040, 29612, 32304, 37015, 40380, 44418, 53840, 59224, 74030, 80760, 81433, 88836, 111045, 118448, 148060, 161520, 162866, 177672, 222090, 244299, 296120, 325732, 355344, 407165, 444180, 488598, 592240, 651464, 814330, 888360, 977196, 1221495, 1302928, 1628660, 1776720, 1954392, 2442990, 3257320, 3908784, 4885980, 6514640, 9771960, 19543920]

約数ペア:

[(1, 19543920), (2, 9771960), (3, 6514640), (4, 4885980), (5, 3908784), (6, 3257320), (8, 2442990), (10, 1954392), (11, 1776720), (12, 1628660), (15, 1302928), (16, 1221495), (20, 977196), (22, 888360), (24, 814330), (30, 651464), (33, 592240), (40, 488598), (44, 444180), (48, 407165), (55, 355344), (60, 325732), (66, 296120), (80, 244299), (88, 222090), (110, 177672), (120, 162866), (121, 161520), (132, 148060), (165, 118448), (176, 111045), (220, 88836), (240, 81433), (242, 80760), (264, 74030), (330, 59224), (363, 53840), (440, 44418), (484, 40380), (528, 37015), (605, 32304), (660, 29612), (673, 29040), (726, 26920), (880, 22209), (968, 20190), (1210, 16152), (1320, 14806), (1346, 14520), (1452, 13460), (1815, 10768), (1936, 10095), (2019, 9680), (2420, 8076), (2640, 7403), (2692, 7260), (2904, 6730), (3365, 5808), (3630, 5384), (4038, 4840)]