19054720

素因数分解:

$2^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1567}}^1$

素因数の和:1605

約数の個数: 64

約数和(自身を含む): 47980800

約数和(自身を除く): 28926080

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 64, 76, 80, 95, 128, 152, 160, 190, 304, 320, 380, 608, 640, 760, 1216, 1520, 1567, 2432, 3040, 3134, 6080, 6268, 7835, 12160, 12536, 15670, 25072, 29773, 31340, 50144, 59546, 62680, 100288, 119092, 125360, 148865, 200576, 238184, 250720, 297730, 476368, 501440, 595460, 952736, 1002880, 1190920, 1905472, 2381840, 3810944, 4763680, 9527360, 19054720]

約数ペア:

[(1, 19054720), (2, 9527360), (4, 4763680), (5, 3810944), (8, 2381840), (10, 1905472), (16, 1190920), (19, 1002880), (20, 952736), (32, 595460), (38, 501440), (40, 476368), (64, 297730), (76, 250720), (80, 238184), (95, 200576), (128, 148865), (152, 125360), (160, 119092), (190, 100288), (304, 62680), (320, 59546), (380, 50144), (608, 31340), (640, 29773), (760, 25072), (1216, 15670), (1520, 12536), (1567, 12160), (2432, 7835), (3040, 6268), (3134, 6080)]