19637370

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{283}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 52755840

約数和(自身を除く): 33118470

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 257, 270, 283, 514, 566, 771, 849, 1285, 1415, 1542, 1698, 2313, 2547, 2570, 2830, 3855, 4245, 4626, 5094, 6939, 7641, 7710, 8490, 11565, 12735, 13878, 15282, 23130, 25470, 34695, 38205, 69390, 72731, 76410, 145462, 218193, 363655, 436386, 654579, 727310, 1090965, 1309158, 1963737, 2181930, 3272895, 3927474, 6545790, 9818685, 19637370]

約数ペア:

[(1, 19637370), (2, 9818685), (3, 6545790), (5, 3927474), (6, 3272895), (9, 2181930), (10, 1963737), (15, 1309158), (18, 1090965), (27, 727310), (30, 654579), (45, 436386), (54, 363655), (90, 218193), (135, 145462), (257, 76410), (270, 72731), (283, 69390), (514, 38205), (566, 34695), (771, 25470), (849, 23130), (1285, 15282), (1415, 13878), (1542, 12735), (1698, 11565), (2313, 8490), (2547, 7710), (2570, 7641), (2830, 6939), (3855, 5094), (4245, 4626)]