18901479835

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{10159}}^1$

素因数の和:10300

約数の個数: 64

約数和(自身を含む): 28441497600

約数和(自身を除く): 9540017765

約数列:

[1, 5, 7, 17, 35, 53, 59, 85, 119, 265, 295, 371, 413, 595, 901, 1003, 1855, 2065, 3127, 4505, 5015, 6307, 7021, 10159, 15635, 21889, 31535, 35105, 50795, 53159, 71113, 109445, 172703, 265795, 355565, 372113, 538427, 599381, 863515, 1208921, 1860565, 2692135, 2996905, 3768989, 4195667, 6044605, 9153259, 10189477, 18844945, 20978335, 31767193, 45766295, 50947385, 64072813, 71326339, 158835965, 222370351, 320364065, 356631695, 540042281, 1111851755, 2700211405, 3780295967, 18901479835]

約数ペア:

[(1, 18901479835), (5, 3780295967), (7, 2700211405), (17, 1111851755), (35, 540042281), (53, 356631695), (59, 320364065), (85, 222370351), (119, 158835965), (265, 71326339), (295, 64072813), (371, 50947385), (413, 45766295), (595, 31767193), (901, 20978335), (1003, 18844945), (1855, 10189477), (2065, 9153259), (3127, 6044605), (4505, 4195667), (5015, 3768989), (6307, 2996905), (7021, 2692135), (10159, 1860565), (15635, 1208921), (21889, 863515), (31535, 599381), (35105, 538427), (50795, 372113), (53159, 355565), (71113, 265795), (109445, 172703)]