15697727420

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1871}}^1\times {\mathrm{22079}}^1$

素因数の和:23978

約数の個数: 48

約数和(自身を含む): 34720358400

約数和(自身を除く): 19022630980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 1871, 3742, 7484, 9355, 18710, 22079, 35549, 37420, 44158, 71098, 88316, 110395, 142196, 177745, 220790, 355490, 419501, 441580, 710980, 839002, 1678004, 2097505, 4195010, 8390020, 41309809, 82619618, 165239236, 206549045, 413098090, 784886371, 826196180, 1569772742, 3139545484, 3924431855, 7848863710, 15697727420]

約数ペア:

[(1, 15697727420), (2, 7848863710), (4, 3924431855), (5, 3139545484), (10, 1569772742), (19, 826196180), (20, 784886371), (38, 413098090), (76, 206549045), (95, 165239236), (190, 82619618), (380, 41309809), (1871, 8390020), (3742, 4195010), (7484, 2097505), (9355, 1678004), (18710, 839002), (22079, 710980), (35549, 441580), (37420, 419501), (44158, 355490), (71098, 220790), (88316, 177745), (110395, 142196)]