19937295

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{379}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 39836160

約数和(自身を除く): 19898865

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 105, 167, 315, 379, 501, 835, 1137, 1169, 1503, 1895, 2505, 2653, 3411, 3507, 5685, 5845, 7515, 7959, 10521, 13265, 17055, 17535, 23877, 39795, 52605, 63293, 119385, 189879, 316465, 443051, 569637, 949395, 1329153, 2215255, 2848185, 3987459, 6645765, 19937295]

約数ペア:

[(1, 19937295), (3, 6645765), (5, 3987459), (7, 2848185), (9, 2215255), (15, 1329153), (21, 949395), (35, 569637), (45, 443051), (63, 316465), (105, 189879), (167, 119385), (315, 63293), (379, 52605), (501, 39795), (835, 23877), (1137, 17535), (1169, 17055), (1503, 13265), (1895, 10521), (2505, 7959), (2653, 7515), (3411, 5845), (3507, 5685)]