19019420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{73}}^1\times {\mathrm{1861}}^1$

素因数の和:1950

約数の個数: 48

約数和(自身を含む): 46296768

約数和(自身を除く): 27277348

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 73, 140, 146, 292, 365, 511, 730, 1022, 1460, 1861, 2044, 2555, 3722, 5110, 7444, 9305, 10220, 13027, 18610, 26054, 37220, 52108, 65135, 130270, 135853, 260540, 271706, 543412, 679265, 950971, 1358530, 1901942, 2717060, 3803884, 4754855, 9509710, 19019420]

約数ペア:

[(1, 19019420), (2, 9509710), (4, 4754855), (5, 3803884), (7, 2717060), (10, 1901942), (14, 1358530), (20, 950971), (28, 679265), (35, 543412), (70, 271706), (73, 260540), (140, 135853), (146, 130270), (292, 65135), (365, 52108), (511, 37220), (730, 26054), (1022, 18610), (1460, 13027), (1861, 10220), (2044, 9305), (2555, 7444), (3722, 5110)]