19787132

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{71}}^1\times {\mathrm{193}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 37252656

約数和(自身を除く): 17465524

約数列:

[1, 2, 4, 19, 38, 71, 76, 142, 193, 284, 361, 386, 722, 772, 1349, 1444, 2698, 3667, 5396, 7334, 13703, 14668, 25631, 27406, 51262, 54812, 69673, 102524, 139346, 260357, 278692, 520714, 1041428, 4946783, 9893566, 19787132]

約数ペア:

[(1, 19787132), (2, 9893566), (4, 4946783), (19, 1041428), (38, 520714), (71, 278692), (76, 260357), (142, 139346), (193, 102524), (284, 69673), (361, 54812), (386, 51262), (722, 27406), (772, 25631), (1349, 14668), (1444, 13703), (2698, 7334), (3667, 5396)]