19646038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:304

約数の個数: 32

約数和(自身を含む): 32421600

約数和(自身を除く): 12775562

約数列:

[1, 2, 19, 37, 38, 74, 89, 157, 178, 314, 703, 1406, 1691, 2983, 3293, 3382, 5809, 5966, 6586, 11618, 13973, 27946, 62567, 110371, 125134, 220742, 265487, 517001, 530974, 1034002, 9823019, 19646038]

約数ペア:

[(1, 19646038), (2, 9823019), (19, 1034002), (37, 530974), (38, 517001), (74, 265487), (89, 220742), (157, 125134), (178, 110371), (314, 62567), (703, 27946), (1406, 13973), (1691, 11618), (2983, 6586), (3293, 5966), (3382, 5809)]