19220185

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{61}}^1$

素因数の和:189

約数の個数: 32

約数和(自身を含む): 25310880

約数和(自身を除く): 6090695

約数列:

[1, 5, 29, 41, 53, 61, 145, 205, 265, 305, 1189, 1537, 1769, 2173, 2501, 3233, 5945, 7685, 8845, 10865, 12505, 16165, 63017, 72529, 93757, 132553, 315085, 362645, 468785, 662765, 3844037, 19220185]

約数ペア:

[(1, 19220185), (5, 3844037), (29, 662765), (41, 468785), (53, 362645), (61, 315085), (145, 132553), (205, 93757), (265, 72529), (305, 63017), (1189, 16165), (1537, 12505), (1769, 10865), (2173, 8845), (2501, 7685), (3233, 5945)]