19469440

素因数分解:

$2^7\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1049}}^1$

素因数の和:1097

約数の個数: 64

約数和(自身を含む): 48195000

約数和(自身を除く): 28725560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 32, 40, 58, 64, 80, 116, 128, 145, 160, 232, 290, 320, 464, 580, 640, 928, 1049, 1160, 1856, 2098, 2320, 3712, 4196, 4640, 5245, 8392, 9280, 10490, 16784, 18560, 20980, 30421, 33568, 41960, 60842, 67136, 83920, 121684, 134272, 152105, 167840, 243368, 304210, 335680, 486736, 608420, 671360, 973472, 1216840, 1946944, 2433680, 3893888, 4867360, 9734720, 19469440]

約数ペア:

[(1, 19469440), (2, 9734720), (4, 4867360), (5, 3893888), (8, 2433680), (10, 1946944), (16, 1216840), (20, 973472), (29, 671360), (32, 608420), (40, 486736), (58, 335680), (64, 304210), (80, 243368), (116, 167840), (128, 152105), (145, 134272), (160, 121684), (232, 83920), (290, 67136), (320, 60842), (464, 41960), (580, 33568), (640, 30421), (928, 20980), (1049, 18560), (1160, 16784), (1856, 10490), (2098, 9280), (2320, 8392), (3712, 5245), (4196, 4640)]