19318341

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{1021}}^1$

素因数の和:1101

約数の個数: 32

約数和(自身を含む): 31788288

約数和(自身を除く): 12469947

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 901, 1021, 1113, 2703, 3063, 6307, 7147, 17357, 18921, 21441, 52071, 54113, 121499, 162339, 364497, 378791, 919921, 1136373, 2759763, 6439447, 19318341]

約数ペア:

[(1, 19318341), (3, 6439447), (7, 2759763), (17, 1136373), (21, 919921), (51, 378791), (53, 364497), (119, 162339), (159, 121499), (357, 54113), (371, 52071), (901, 21441), (1021, 18921), (1113, 17357), (2703, 7147), (3063, 6307)]