18707648

素因数分解:

$2^6\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{179}}^1$

素因数の和:285

約数の個数: 56

約数和(自身を含む): 39502080

約数和(自身を除く): 20794432

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 71, 92, 142, 179, 184, 284, 358, 368, 568, 716, 736, 1136, 1432, 1472, 1633, 2272, 2864, 3266, 4117, 4544, 5728, 6532, 8234, 11456, 12709, 13064, 16468, 25418, 26128, 32936, 50836, 52256, 65872, 101672, 104512, 131744, 203344, 263488, 292307, 406688, 584614, 813376, 1169228, 2338456, 4676912, 9353824, 18707648]

約数ペア:

[(1, 18707648), (2, 9353824), (4, 4676912), (8, 2338456), (16, 1169228), (23, 813376), (32, 584614), (46, 406688), (64, 292307), (71, 263488), (92, 203344), (142, 131744), (179, 104512), (184, 101672), (284, 65872), (358, 52256), (368, 50836), (568, 32936), (716, 26128), (736, 25418), (1136, 16468), (1432, 13064), (1472, 12709), (1633, 11456), (2272, 8234), (2864, 6532), (3266, 5728), (4117, 4544)]