20131918084

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{33149}}^1$

素因数の和:33364

約数の個数: 48

約数和(自身を含む): 37981944000

約数和(自身を除く): 17850025916

約数列:

[1, 2, 4, 19, 38, 61, 76, 122, 131, 244, 262, 524, 1159, 2318, 2489, 4636, 4978, 7991, 9956, 15982, 31964, 33149, 66298, 132596, 151829, 303658, 607316, 629831, 1259662, 2022089, 2519324, 4044178, 4342519, 8088356, 8685038, 17370076, 38419691, 76839382, 82507861, 153678764, 165015722, 264893659, 330031444, 529787318, 1059574636, 5032979521, 10065959042, 20131918084]

約数ペア:

[(1, 20131918084), (2, 10065959042), (4, 5032979521), (19, 1059574636), (38, 529787318), (61, 330031444), (76, 264893659), (122, 165015722), (131, 153678764), (244, 82507861), (262, 76839382), (524, 38419691), (1159, 17370076), (2318, 8685038), (2489, 8088356), (4636, 4342519), (4978, 4044178), (7991, 2519324), (9956, 2022089), (15982, 1259662), (31964, 629831), (33149, 607316), (66298, 303658), (132596, 151829)]