19054140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{6481}}^1$

素因数の和:6507

約数の個数: 72

約数和(自身を含む): 62071632

約数和(自身を除く): 43017492

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 49, 60, 70, 84, 98, 105, 140, 147, 196, 210, 245, 294, 420, 490, 588, 735, 980, 1470, 2940, 6481, 12962, 19443, 25924, 32405, 38886, 45367, 64810, 77772, 90734, 97215, 129620, 136101, 181468, 194430, 226835, 272202, 317569, 388860, 453670, 544404, 635138, 680505, 907340, 952707, 1270276, 1361010, 1587845, 1905414, 2722020, 3175690, 3810828, 4763535, 6351380, 9527070, 19054140]

約数ペア:

[(1, 19054140), (2, 9527070), (3, 6351380), (4, 4763535), (5, 3810828), (6, 3175690), (7, 2722020), (10, 1905414), (12, 1587845), (14, 1361010), (15, 1270276), (20, 952707), (21, 907340), (28, 680505), (30, 635138), (35, 544404), (42, 453670), (49, 388860), (60, 317569), (70, 272202), (84, 226835), (98, 194430), (105, 181468), (140, 136101), (147, 129620), (196, 97215), (210, 90734), (245, 77772), (294, 64810), (420, 45367), (490, 38886), (588, 32405), (735, 25924), (980, 19443), (1470, 12962), (2940, 6481)]