18710272

素因数分解:

$2^8\times 7^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:273

約数の個数: 72

約数和(自身を含む): 43708896

約数和(自身を除く): 24998624

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 53, 56, 64, 106, 112, 128, 197, 212, 224, 256, 371, 394, 424, 448, 742, 788, 848, 896, 1379, 1484, 1576, 1696, 1792, 2758, 2968, 3152, 3392, 5516, 5936, 6304, 6784, 10441, 11032, 11872, 12608, 13568, 20882, 22064, 23744, 25216, 41764, 44128, 47488, 50432, 73087, 83528, 88256, 94976, 146174, 167056, 176512, 292348, 334112, 353024, 584696, 668224, 1169392, 1336448, 2338784, 2672896, 4677568, 9355136, 18710272]

約数ペア:

[(1, 18710272), (2, 9355136), (4, 4677568), (7, 2672896), (8, 2338784), (14, 1336448), (16, 1169392), (28, 668224), (32, 584696), (53, 353024), (56, 334112), (64, 292348), (106, 176512), (112, 167056), (128, 146174), (197, 94976), (212, 88256), (224, 83528), (256, 73087), (371, 50432), (394, 47488), (424, 44128), (448, 41764), (742, 25216), (788, 23744), (848, 22064), (896, 20882), (1379, 13568), (1484, 12608), (1576, 11872), (1696, 11032), (1792, 10441), (2758, 6784), (2968, 6304), (3152, 5936), (3392, 5516)]