19800185551

素因数分解:

${\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1381}}^1\times {\mathrm{26021}}^1$

素因数の和:27450

約数の個数: 16

約数和(自身を含む): 21577442400

約数和(自身を除く): 1777256849

約数列:

[1, 19, 29, 551, 1381, 26021, 26239, 40049, 494399, 754609, 760931, 14337571, 35935001, 682765019, 1042115029, 19800185551]

約数ペア:

[(1, 19800185551), (19, 1042115029), (29, 682765019), (551, 35935001), (1381, 14337571), (26021, 760931), (26239, 754609), (40049, 494399)]