19031680

素因数分解:

$2^7\times 5^1\times {\mathrm{131}}^1\times {\mathrm{227}}^1$

素因数の和:377

約数の個数: 64

約数和(自身を含む): 46046880

約数和(自身を除く): 27015200

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 131, 160, 227, 262, 320, 454, 524, 640, 655, 908, 1048, 1135, 1310, 1816, 2096, 2270, 2620, 3632, 4192, 4540, 5240, 7264, 8384, 9080, 10480, 14528, 16768, 18160, 20960, 29056, 29737, 36320, 41920, 59474, 72640, 83840, 118948, 145280, 148685, 237896, 297370, 475792, 594740, 951584, 1189480, 1903168, 2378960, 3806336, 4757920, 9515840, 19031680]

約数ペア:

[(1, 19031680), (2, 9515840), (4, 4757920), (5, 3806336), (8, 2378960), (10, 1903168), (16, 1189480), (20, 951584), (32, 594740), (40, 475792), (64, 297370), (80, 237896), (128, 148685), (131, 145280), (160, 118948), (227, 83840), (262, 72640), (320, 59474), (454, 41920), (524, 36320), (640, 29737), (655, 29056), (908, 20960), (1048, 18160), (1135, 16768), (1310, 14528), (1816, 10480), (2096, 9080), (2270, 8384), (2620, 7264), (3632, 5240), (4192, 4540)]