19845744

素因数分解:

$2^4\times 3^1\times {\mathrm{29}}^1\times {\mathrm{53}}^1\times {\mathrm{269}}^1$

素因数の和:362

約数の個数: 80

約数和(自身を含む): 54237600

約数和(自身を除く): 34391856

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 48, 53, 58, 87, 106, 116, 159, 174, 212, 232, 269, 318, 348, 424, 464, 538, 636, 696, 807, 848, 1076, 1272, 1392, 1537, 1614, 2152, 2544, 3074, 3228, 4304, 4611, 6148, 6456, 7801, 9222, 12296, 12912, 14257, 15602, 18444, 23403, 24592, 28514, 31204, 36888, 42771, 46806, 57028, 62408, 73776, 85542, 93612, 114056, 124816, 171084, 187224, 228112, 342168, 374448, 413453, 684336, 826906, 1240359, 1653812, 2480718, 3307624, 4961436, 6615248, 9922872, 19845744]

約数ペア:

[(1, 19845744), (2, 9922872), (3, 6615248), (4, 4961436), (6, 3307624), (8, 2480718), (12, 1653812), (16, 1240359), (24, 826906), (29, 684336), (48, 413453), (53, 374448), (58, 342168), (87, 228112), (106, 187224), (116, 171084), (159, 124816), (174, 114056), (212, 93612), (232, 85542), (269, 73776), (318, 62408), (348, 57028), (424, 46806), (464, 42771), (538, 36888), (636, 31204), (696, 28514), (807, 24592), (848, 23403), (1076, 18444), (1272, 15602), (1392, 14257), (1537, 12912), (1614, 12296), (2152, 9222), (2544, 7801), (3074, 6456), (3228, 6148), (4304, 4611)]