19907535

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3037}}^1$

素因数の和:3087

約数の個数: 32

約数和(自身を含む): 34997760

約数和(自身を除く): 15090225

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 3037, 6555, 9111, 15185, 45555, 57703, 69851, 173109, 209553, 288515, 349255, 865545, 1047765, 1327169, 3981507, 6635845, 19907535]

約数ペア:

[(1, 19907535), (3, 6635845), (5, 3981507), (15, 1327169), (19, 1047765), (23, 865545), (57, 349255), (69, 288515), (95, 209553), (115, 173109), (285, 69851), (345, 57703), (437, 45555), (1311, 15185), (2185, 9111), (3037, 6555)]