18988480

素因数分解:

$2^6\times 5^1\times 7^3\times {\mathrm{173}}^1$

素因数の和:211

約数の個数: 112

約数和(自身を含む): 53035200

約数和(自身を除く): 34046720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 140, 160, 173, 196, 224, 245, 280, 320, 343, 346, 392, 448, 490, 560, 686, 692, 784, 865, 980, 1120, 1211, 1372, 1384, 1568, 1715, 1730, 1960, 2240, 2422, 2744, 2768, 3136, 3430, 3460, 3920, 4844, 5488, 5536, 6055, 6860, 6920, 7840, 8477, 9688, 10976, 11072, 12110, 13720, 13840, 15680, 16954, 19376, 21952, 24220, 27440, 27680, 33908, 38752, 42385, 48440, 54880, 55360, 59339, 67816, 77504, 84770, 96880, 109760, 118678, 135632, 169540, 193760, 237356, 271264, 296695, 339080, 387520, 474712, 542528, 593390, 678160, 949424, 1186780, 1356320, 1898848, 2373560, 2712640, 3797696, 4747120, 9494240, 18988480]

約数ペア:

[(1, 18988480), (2, 9494240), (4, 4747120), (5, 3797696), (7, 2712640), (8, 2373560), (10, 1898848), (14, 1356320), (16, 1186780), (20, 949424), (28, 678160), (32, 593390), (35, 542528), (40, 474712), (49, 387520), (56, 339080), (64, 296695), (70, 271264), (80, 237356), (98, 193760), (112, 169540), (140, 135632), (160, 118678), (173, 109760), (196, 96880), (224, 84770), (245, 77504), (280, 67816), (320, 59339), (343, 55360), (346, 54880), (392, 48440), (448, 42385), (490, 38752), (560, 33908), (686, 27680), (692, 27440), (784, 24220), (865, 21952), (980, 19376), (1120, 16954), (1211, 15680), (1372, 13840), (1384, 13720), (1568, 12110), (1715, 11072), (1730, 10976), (1960, 9688), (2240, 8477), (2422, 7840), (2744, 6920), (2768, 6860), (3136, 6055), (3430, 5536), (3460, 5488), (3920, 4844)]