19537420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{8209}}^1$

素因数の和:8242

約数の個数: 48

約数和(自身を含む): 49654080

約数和(自身を除く): 30116660

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 8209, 16418, 32836, 41045, 57463, 82090, 114926, 139553, 164180, 229852, 279106, 287315, 558212, 574630, 697765, 976871, 1149260, 1395530, 1953742, 2791060, 3907484, 4884355, 9768710, 19537420]

約数ペア:

[(1, 19537420), (2, 9768710), (4, 4884355), (5, 3907484), (7, 2791060), (10, 1953742), (14, 1395530), (17, 1149260), (20, 976871), (28, 697765), (34, 574630), (35, 558212), (68, 287315), (70, 279106), (85, 229852), (119, 164180), (140, 139553), (170, 114926), (238, 82090), (340, 57463), (476, 41045), (595, 32836), (1190, 16418), (2380, 8209)]