19353880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{409}}^1$

素因数の和:453

約数の個数: 96

約数和(自身を含む): 54021600

約数和(自身を除く): 34667720

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 169, 182, 260, 280, 338, 364, 409, 455, 520, 676, 728, 818, 845, 910, 1183, 1352, 1636, 1690, 1820, 2045, 2366, 2863, 3272, 3380, 3640, 4090, 4732, 5317, 5726, 5915, 6760, 8180, 9464, 10634, 11452, 11830, 14315, 16360, 21268, 22904, 23660, 26585, 28630, 37219, 42536, 47320, 53170, 57260, 69121, 74438, 106340, 114520, 138242, 148876, 186095, 212680, 276484, 297752, 345605, 372190, 483847, 552968, 691210, 744380, 967694, 1382420, 1488760, 1935388, 2419235, 2764840, 3870776, 4838470, 9676940, 19353880]

約数ペア:

[(1, 19353880), (2, 9676940), (4, 4838470), (5, 3870776), (7, 2764840), (8, 2419235), (10, 1935388), (13, 1488760), (14, 1382420), (20, 967694), (26, 744380), (28, 691210), (35, 552968), (40, 483847), (52, 372190), (56, 345605), (65, 297752), (70, 276484), (91, 212680), (104, 186095), (130, 148876), (140, 138242), (169, 114520), (182, 106340), (260, 74438), (280, 69121), (338, 57260), (364, 53170), (409, 47320), (455, 42536), (520, 37219), (676, 28630), (728, 26585), (818, 23660), (845, 22904), (910, 21268), (1183, 16360), (1352, 14315), (1636, 11830), (1690, 11452), (1820, 10634), (2045, 9464), (2366, 8180), (2863, 6760), (3272, 5915), (3380, 5726), (3640, 5317), (4090, 4732)]