18703172

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{107}}^1\times {\mathrm{491}}^1$

素因数の和:691

約数の個数: 24

約数和(自身を含む): 33475680

約数和(自身を除く): 14772508

約数列:

[1, 2, 4, 89, 107, 178, 214, 356, 428, 491, 982, 1964, 9523, 19046, 38092, 43699, 52537, 87398, 105074, 174796, 210148, 4675793, 9351586, 18703172]

約数ペア:

[(1, 18703172), (2, 9351586), (4, 4675793), (89, 210148), (107, 174796), (178, 105074), (214, 87398), (356, 52537), (428, 43699), (491, 38092), (982, 19046), (1964, 9523)]