18878551810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:548

約数の個数: 128

約数和(自身を含む): 37674720000

約数和(自身を除く): 18796168190

約数列:

[1, 2, 5, 10, 19, 37, 38, 67, 74, 95, 134, 149, 185, 190, 269, 298, 335, 370, 538, 670, 703, 745, 1273, 1345, 1406, 1490, 2479, 2546, 2690, 2831, 3515, 4958, 5111, 5513, 5662, 6365, 7030, 9953, 9983, 10222, 11026, 12395, 12730, 14155, 18023, 19906, 19966, 24790, 25555, 27565, 28310, 36046, 40081, 47101, 49765, 49915, 51110, 55130, 80162, 90115, 94202, 99530, 99830, 104747, 180230, 189107, 189677, 200405, 209494, 235505, 342437, 369371, 378214, 379354, 400810, 471010, 523735, 666851, 684874, 738742, 761539, 945535, 948385, 1047470, 1333702, 1482997, 1523078, 1712185, 1846855, 1891070, 1896770, 2685427, 2965994, 3334255, 3424370, 3693710, 3807695, 5370854, 6668510, 7018049, 7414985, 7615390, 12670169, 13427135, 14036098, 14829970, 25340338, 26854270, 28176943, 35090245, 51023113, 56353886, 63350845, 70180490, 99360799, 102046226, 126701690, 140884715, 198721598, 255115565, 281769430, 496803995, 510231130, 993607990, 1887855181, 3775710362, 9439275905, 18878551810]

約数ペア:

[(1, 18878551810), (2, 9439275905), (5, 3775710362), (10, 1887855181), (19, 993607990), (37, 510231130), (38, 496803995), (67, 281769430), (74, 255115565), (95, 198721598), (134, 140884715), (149, 126701690), (185, 102046226), (190, 99360799), (269, 70180490), (298, 63350845), (335, 56353886), (370, 51023113), (538, 35090245), (670, 28176943), (703, 26854270), (745, 25340338), (1273, 14829970), (1345, 14036098), (1406, 13427135), (1490, 12670169), (2479, 7615390), (2546, 7414985), (2690, 7018049), (2831, 6668510), (3515, 5370854), (4958, 3807695), (5111, 3693710), (5513, 3424370), (5662, 3334255), (6365, 2965994), (7030, 2685427), (9953, 1896770), (9983, 1891070), (10222, 1846855), (11026, 1712185), (12395, 1523078), (12730, 1482997), (14155, 1333702), (18023, 1047470), (19906, 948385), (19966, 945535), (24790, 761539), (25555, 738742), (27565, 684874), (28310, 666851), (36046, 523735), (40081, 471010), (47101, 400810), (49765, 379354), (49915, 378214), (51110, 369371), (55130, 342437), (80162, 235505), (90115, 209494), (94202, 200405), (99530, 189677), (99830, 189107), (104747, 180230)]