19171958

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{541}}^1$

素因数の和:632

約数の個数: 32

約数和(自身を含む): 32780160

約数和(自身を除く): 13608202

約数列:

[1, 2, 13, 26, 29, 47, 58, 94, 377, 541, 611, 754, 1082, 1222, 1363, 2726, 7033, 14066, 15689, 17719, 25427, 31378, 35438, 50854, 203957, 330551, 407914, 661102, 737383, 1474766, 9585979, 19171958]

約数ペア:

[(1, 19171958), (2, 9585979), (13, 1474766), (26, 737383), (29, 661102), (47, 407914), (58, 330551), (94, 203957), (377, 50854), (541, 35438), (611, 31378), (754, 25427), (1082, 17719), (1222, 15689), (1363, 14066), (2726, 7033)]