19858260

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{43}}^2\times {\mathrm{179}}^1$

素因数の和:277

約数の個数: 72

約数和(自身を含む): 57244320

約数和(自身を除く): 37386060

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 43, 60, 86, 129, 172, 179, 215, 258, 358, 430, 516, 537, 645, 716, 860, 895, 1074, 1290, 1790, 1849, 2148, 2580, 2685, 3580, 3698, 5370, 5547, 7396, 7697, 9245, 10740, 11094, 15394, 18490, 22188, 23091, 27735, 30788, 36980, 38485, 46182, 55470, 76970, 92364, 110940, 115455, 153940, 230910, 330971, 461820, 661942, 992913, 1323884, 1654855, 1985826, 3309710, 3971652, 4964565, 6619420, 9929130, 19858260]

約数ペア:

[(1, 19858260), (2, 9929130), (3, 6619420), (4, 4964565), (5, 3971652), (6, 3309710), (10, 1985826), (12, 1654855), (15, 1323884), (20, 992913), (30, 661942), (43, 461820), (60, 330971), (86, 230910), (129, 153940), (172, 115455), (179, 110940), (215, 92364), (258, 76970), (358, 55470), (430, 46182), (516, 38485), (537, 36980), (645, 30788), (716, 27735), (860, 23091), (895, 22188), (1074, 18490), (1290, 15394), (1790, 11094), (1849, 10740), (2148, 9245), (2580, 7697), (2685, 7396), (3580, 5547), (3698, 5370)]