19530310

素因数分解:

$2^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{251}}^2$

素因数の和:540

約数の個数: 24

約数和(自身を含む): 36433728

約数和(自身を除く): 16903418

約数列:

[1, 2, 5, 10, 31, 62, 155, 251, 310, 502, 1255, 2510, 7781, 15562, 38905, 63001, 77810, 126002, 315005, 630010, 1953031, 3906062, 9765155, 19530310]

約数ペア:

[(1, 19530310), (2, 9765155), (5, 3906062), (10, 1953031), (31, 630010), (62, 315005), (155, 126002), (251, 77810), (310, 63001), (502, 38905), (1255, 15562), (2510, 7781)]