18986213765

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{541}}^1$

素因数の和:810

約数の個数: 64

約数和(自身を含む): 25055281152

約数和(自身を除く): 6069067387

約数列:

[1, 5, 23, 43, 47, 115, 151, 215, 235, 541, 755, 989, 1081, 2021, 2705, 3473, 4945, 5405, 6493, 7097, 10105, 12443, 17365, 23263, 25427, 32465, 35485, 46483, 62215, 81691, 116315, 127135, 149339, 163231, 232415, 305171, 408455, 535049, 584821, 746695, 816155, 1093361, 1525855, 1878893, 2675245, 2924105, 3512713, 3839477, 5466805, 7018933, 9394465, 17563565, 19197385, 25147303, 35094665, 80792399, 88307971, 125736515, 165097511, 403961995, 441539855, 825487555, 3797242753, 18986213765]

約数ペア:

[(1, 18986213765), (5, 3797242753), (23, 825487555), (43, 441539855), (47, 403961995), (115, 165097511), (151, 125736515), (215, 88307971), (235, 80792399), (541, 35094665), (755, 25147303), (989, 19197385), (1081, 17563565), (2021, 9394465), (2705, 7018933), (3473, 5466805), (4945, 3839477), (5405, 3512713), (6493, 2924105), (7097, 2675245), (10105, 1878893), (12443, 1525855), (17365, 1093361), (23263, 816155), (25427, 746695), (32465, 584821), (35485, 535049), (46483, 408455), (62215, 305171), (81691, 232415), (116315, 163231), (127135, 149339)]