19184640

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{1249}}^1$

素因数の和:1277

約数の個数: 88

約数和(自身を含む): 61410000

約数和(自身を除く): 42225360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1249, 1280, 1536, 1920, 2498, 2560, 3072, 3747, 3840, 4996, 5120, 6245, 7494, 7680, 9992, 12490, 14988, 15360, 18735, 19984, 24980, 29976, 37470, 39968, 49960, 59952, 74940, 79936, 99920, 119904, 149880, 159872, 199840, 239808, 299760, 319744, 399680, 479616, 599520, 639488, 799360, 959232, 1199040, 1278976, 1598720, 1918464, 2398080, 3197440, 3836928, 4796160, 6394880, 9592320, 19184640]

約数ペア:

[(1, 19184640), (2, 9592320), (3, 6394880), (4, 4796160), (5, 3836928), (6, 3197440), (8, 2398080), (10, 1918464), (12, 1598720), (15, 1278976), (16, 1199040), (20, 959232), (24, 799360), (30, 639488), (32, 599520), (40, 479616), (48, 399680), (60, 319744), (64, 299760), (80, 239808), (96, 199840), (120, 159872), (128, 149880), (160, 119904), (192, 99920), (240, 79936), (256, 74940), (320, 59952), (384, 49960), (480, 39968), (512, 37470), (640, 29976), (768, 24980), (960, 19984), (1024, 18735), (1249, 15360), (1280, 14988), (1536, 12490), (1920, 9992), (2498, 7680), (2560, 7494), (3072, 6245), (3747, 5120), (3840, 4996)]