19533555

素因数分解:

$3^6\times 5^1\times {\mathrm{23}}^1\times {\mathrm{233}}^1$

素因数の和:279

約数の個数: 56

約数和(自身を含む): 36829728

約数和(自身を除く): 17296173

約数列:

[1, 3, 5, 9, 15, 23, 27, 45, 69, 81, 115, 135, 207, 233, 243, 345, 405, 621, 699, 729, 1035, 1165, 1215, 1863, 2097, 3105, 3495, 3645, 5359, 5589, 6291, 9315, 10485, 16077, 16767, 18873, 26795, 27945, 31455, 48231, 56619, 80385, 83835, 94365, 144693, 169857, 241155, 283095, 434079, 723465, 849285, 1302237, 2170395, 3906711, 6511185, 19533555]

約数ペア:

[(1, 19533555), (3, 6511185), (5, 3906711), (9, 2170395), (15, 1302237), (23, 849285), (27, 723465), (45, 434079), (69, 283095), (81, 241155), (115, 169857), (135, 144693), (207, 94365), (233, 83835), (243, 80385), (345, 56619), (405, 48231), (621, 31455), (699, 27945), (729, 26795), (1035, 18873), (1165, 16767), (1215, 16077), (1863, 10485), (2097, 9315), (3105, 6291), (3495, 5589), (3645, 5359)]